@STRING( ACTA = "Acta Mathematica" )
@STRING( AMPA = "Annali di matematica pura ed applicata" )
@STRING( AM = "Annals of Mathematics" )
@STRING( ANZ = "Anzeiger der k. Akademie der Wissenschaften, Wien" )
@STRING( AMP = "Archiv der Mathematik und Physik" )
@STRING( CAN = "Canadian Journal of Mathematics" )
@STRING( CMJ = "Czechoslovak Mathematical Journal" )
@STRING( CR = "Comptes Rendus Hebdomadaires des S�ances de l'
               Acad�mie des Sciences, Paris" )
@STRING( CASPMF = "�asopis pro p�stov�n� matematiky a fyziky" )
@STRING( DM = "Deutsche Mathematik" )
@STRING( DVT = "D�jiny v�d a techniky" )
@STRING( JD = "Jahresbericht der Deutschen Mathematiker--Vereinigung" )
@STRING( JDMV = "Jahresbericht der Deutschen Mathematiker Vereinigung" )
@STRING( JRAM = "Journal f�r die reine und angewandte Mathematik" )
@STRING( MA = "Mathematische Annalen" )
@STRING( MZ = "Mathematische Zeitschrift" )
@STRING(MITT = "Mittheilungen der deutsche mathematische {G}esellschaft zu
                Prag" )
@STRING( MMP = "Monatshefte f�r Mathematik und Physik" )
@STRING( RHA = "Revista matematica Hispano-Americana" )
@STRING( RMT = "Revista Mathematica y f�sica teoretica, T�c�m�n" )
@STRING( RCA = "Rozpravy �esk� Akademie" )
@STRING( SKBGW = "Sitzungberichte der k�niglichen b�hmischen Gesellschaft
der Wissenschaften" )
@STRING( VCA = "V�stn�k �esk� Akademie" )
@STRING( VKCSN = "V�stn�k K�SN" )
@STRING( WAB = "Sitzungsberichte der mathematisch-naturwissenschaftlichen Classe der
kaiserlichen Akademie der Wissenschaften Wien" )
@STRING( ZAMM = "Zeitschrift f�r angewandte {M}athematik und {M}echanik" )
@STRING( ZRW = "Zeitschrift f�r die {R}ealschulwesen" )
@STRING( ZMP = "Zeitschrift f�r Mathematik und Physik.(Schl�milch)" )
@STRING( ZMU = "Zeitschrift f�r mathematischen und naturwissenschaftlichen
Unterricht" )

@ARTICLE{Petr87a,
author = "Petr, K.",
title = "{Pozn�mka o sou�tu $\sum E\sqrt[r]{u}$}",
journal = CASPMF,
year = "1887",
volume = "16",
pages = "169--170"
}

@ARTICLE{Petr91a,
author = "Petr, K.",
title = "{Ephemeride des Planeten (266) Aline}",
journal = "{Astronomische Nachrichten}",
year = "1891",
volume = "127",
pages = "169--170"
}

@ARTICLE{Petr97a,
author = "Petr, K.",
title = "{O po�tu re�ln�ch ko�en� rovnice algebraick� v mez�ch dan�ch}",
journal = RCA,
year = "1897",
volume = "6",
number = "8",
note = "{11 stran}"
}

@ARTICLE{Petr97b,
author = "Petr, K.",
title = "{O semiinvariantech}",
journal = RCA,
year = "1897",
volume = "6",
number = "38",
note = "{12 stran}"
}

@ARTICLE{Petr99a,
author = "Petr, K.",
title = "{O vyj�d�en� podm�nek reality ko�en� rovnice 5. stupn� pomoc�
invariant�}",
journal = RCA,
year = "1899",
volume = "8",
number = "23",
note = "{12 stran}"
}

@ARTICLE{Petr99b,
author = "Petr, K.",
title = "{Pozn�mka k ��sl�m Bernoulliho}",
journal = CASPMF,
year = "1899",
volume = "28",
pages = "24--27"
}

@ARTICLE{Petr00a,
author = "Petr, K.",
title = "{O mnoho�heln�c�ch Ponceletov�ch}",
journal = RCA,
year = "1899",
volume = "9",
number = "2",
note = "{23 stran}"
}

@ARTICLE{Petr00b,
author = "Petr, K.",
title = "{O u�it� nauky o funkc�ch elliptick�ch na theorii forem
kvadratick�ch z�porn�ho diskriminantu}",
journal = RCA,
year = "1900",
volume = "9",
number = "2",
note = "{12 stran}"
}

@ARTICLE{Petr01a,
author = "Petr, K.",
title = "{�ber die Poncelet'schen Polygone}",
journal = "{Bulletin International. Prague. (Sciences Math�m. et Natur.)}",
year = "1901",
volume = "6",
pages = "110--115"
}

@ARTICLE{Petr02a,
author = "Petr, K.",
title = "{O po�tu t��d forem kvadratick�ch z�porn�ho diskriminantu}",
journal = RCA,
year = "1902",
volume = "10",
number = "40",
note = "{22 stran}"
}

@INCOLLECTION{Petr03a,
author = "Petr, K.",
title = "{O interpolaci}",
booktitle = "{Druh� v�ro�n� zpr�va druh�ho �es. gymnasia st�tn�ho v Brn�}",
address = "{Brno}",
year = "1903"
}

@ARTICLE{Petr03b,
author = "Petr, K.",
title = "{O racion�ln�ch k�ivk�ch �tvrt�ho stupn�}",
journal = CASPMF,
year = "1903",
volume = "32",
pages = "9--21"
}

@ARTICLE{Petr04a,
author = "Petr, K.",
title = "{O determinantech z Bernoulli-sk�ch ��sel}",
journal = CASPMF,
year = "1904",
volume = "33",
pages = "9--12"
}

@ARTICLE{Petr04b,
author = "Petr, K.",
title = "{�ber die Klassenzahl der quadratischen Formen mit negativer
Diskriminante}",
journal = "{Bulletin International. Prague.}",
year = "1904",
volume = "7",
pages = "180--187"
}

@ARTICLE{Petr04c,
author = "Petr, K.",
title = "{Bemerkung zur einer Gausschen Formel �ber die Thetafunktionen}",
journal = VKCSN,
year = "1904"
}

@ARTICLE{Petr05a,
author = "Petr, K.",
title = "{Geometrick� d�kaz pou�ky Wilsonovy}",
journal = CASPMF,
year = "1905",
volume = "34",
pages = "164--166"
}

@ARTICLE{Petr05b,
author = "Petr, K.",
title = "{O rozkladu ��sel v sou�et des�ti a dvan�cti �tverc�}",
journal = CASPMF,
year = "1905",
volume = "34",
pages = "224--229"
}

@ARTICLE{Petr05c,
author = "Petr, K.",
title = "{Pozn�mka o konstrukci racion�ln�ch k�ivek}",
journal = CASPMF,
year = "1905",
volume = "34",
pages = "43--47"
}

@ARTICLE{Petr05d,
author = "Petr, K.",
title = "{O jedn� v�t� pro mnoho�heln�ky rovinn�}",
journal = CASPMF,
year = "1905",
volume = "34",
pages = "166--172"
}

@ARTICLE{Petr05e,
author = "Petr, K.",
title = "{O �ivot� a �innosti Eduarda Weyra}",
journal = CASPMF,
year = "1905",
volume = "34",
pages = "457--490, 509--516"
}

@ARTICLE{Petr06a,
author = "Petr, K.",
title = "{O symmetrick�ch soustav�ch a v�t� Sturmov�}",
journal = RCA,
year = "1906",
volume = "15",
number = "2",
note = "{10 stran}"
}

@ARTICLE{Petr06b,
author = "Petr, K.",
title = "{O vyj�d�en� podm�nek pro realitu ko�en� rovnice stupn� �est�ho
pomoc� invariant�}",
journal = RCA,
year = "1906",
volume = "15",
number = "4",
note = "{24 stran}"
}

@ARTICLE{Petr06c,
author = "Petr, K.",
title = "{Pozn�mka o vyj�d�en� po�tu komplexn�ch ko�en� rovnice algebraick�
pomoc� invariant�}",
journal = RCA,
year = "1906",
volume = "15",
number = "38",
note = "{6 stran}"
}

@ARTICLE{Petr06d,
author = "Petr, K.",
title = "{N�kolik pozn�mek o determinantech}",
journal = CASPMF,
year = "1906",
volume = "35",
pages = "311--321"
}

@ARTICLE{Petr06e,
author = "Petr, K.",
title = "{N�kolik pozn�mek o determinantech}",
journal = "{Math. �s Phys. Lapok}",
year = "1906",
volume = "15",
pages = "353--365",
note = "{ma�arsky}"
}

@ARTICLE{Petr06f,
author = "Petr, K.",
title = "{�ber die Anzahl der Darstellungen einer Zahl als Summe von 10 und 12
Quadraten}",
year = "1906",
journal = AMP,
volume = "11",
pages = "83--85"
}

@ARTICLE{Petr06g,
author = "Petr, K.",
title = "{O jedn� v�t� pro racion�ln� k�ivky t�et�ho stupn�}",
journal = CASPMF,
year = "1906",
volume = "35",
pages = "36--40"
}

@ARTICLE{Petr07a,
author = "Petr, K.",
title = "{Pozn�mka o v�t� Descartesov� a v�t� Budanov�}",
journal = CASPMF,
year = "1907",
volume = "36",
pages = "49--54"
}

@ARTICLE{Petr07b,
author = "Petr, K.",
title = "{Pozn�mka o Sturmov�ch funkc�ch}",
journal = CASPMF,
year = "1907",
volume = "36",
pages = "136--141"
}

@ARTICLE{Petr07c,
author = "Petr, K.",
title = "{O jednom rozvoji pro algebraick� formy}",
journal = RCA,
year = "1907",
volume = "16",
number = "7",
note = "{27 stran}"
}

@ARTICLE{Petr07d,
author = "Petr, K.",
title = "{�ber eine Reihenentwicklung f�r algebraischen Formen}",
journal = "{Bulletin International}",
year = "1907",
volume = "12",
pages = "163--191"
}

@ARTICLE{Petr07e,
author = "Petr, K.",
title = "{O jednom roz��en� rozvoje Glebsch-Gordanova}",
journal = CASPMF,
year = "1907",
volume = "36",
pages = "243--251"
}

@ARTICLE{Petr07f,
author = "Petr, K.",
title = "{�ber eine Anwendung der elliptischen Funktionen auf die
Zahlentheorie}",
journal = VKCSN,
year = "1907",
number = "18",
note = "{8 stran}"
}

@ARTICLE{Petr07g,
author = "Petr, K.",
title = "{�ber die Poncelet'schen Polygone}",
journal = MMP,
year = "1907",
volume = "18",
pages = "108--131"
}

@ARTICLE{Petr08a,
author = "Petr, K.",
title = "{O u�it� nauky o funkc�ch elliptick�ch na odvozen� Dirichletov�ch
v�sledk� pro po�et t��d forem kvadratick�ch z�porn�ho diskriminantu}",
journal = CASPMF,
year = "1908",
volume = "37",
pages = "24--41"
}

@ARTICLE{Petr08b,
author = "Petr, K.",
title = "{O rovnic�ch differenci�ln�ch pro invariantn� �tvary}",
journal = CASPMF,
year = "1908",
volume = "37",
pages = "261--276"
}

@ARTICLE{Petr08c,
author = "Petr, K.",
title = "{O po�tu invariantn�ch �tvar� na sob� line�rn� nez�visl�ch}",
journal = RCA,
year = "1908",
volume = "17",
number = "17 a 37",
note = "{21 a 20 stran}"
}

@ARTICLE{Petr08d,
author = "Petr, K.",
title = "{Ein Satz �ber Vielecke}",
journal = AMP,
year = "1908",
volume = "13",
pages = "29--31"
}

@ARTICLE{Petr09a,
author = "Petr, K.",
title = "{Pozn�mka o integr�lech hypergeometrick� differenci�ln� rovnice}",
journal = CASPMF,
year = "1909",
volume = "38",
pages = "294--306"
}

@ARTICLE{Petr09b,
author = "Petr, K.",
title = "{Pozn�mka k p�edch�zej�c�mu �l�nku. (Dr. A. Pleskot: O jist�m
integr�lu omezen�m)}",
journal = CASPMF,
year = "1909",
volume = "38",
pages = "434--438"
}

@ARTICLE{Petr09c,
author = "Petr, K.",
title = "{O separaci ko�en� rovnic algebraick�ch}",
journal = CASPMF,
year = "1909",
volume = "38",
pages = "554--569"
}

@ARTICLE{Petr09d,
author = "Petr, K.",
title = "{Einige Bemerkungen �ber die Determinanten}",
journal = "{Berichte aus Ungarn}",
year = "1909",
volume = "25",
pages = "95--105"
}

@ARTICLE{Petr10a,
author = "Petr, K.",
title = "{�ber die Anzahl der von einander linear unabh�ngigen
Invariantengebilde}",
journal = "{Bulletin International}",
year = "1910",
volume = "15",
pages = "6--34"
}

@ARTICLE{Petr11a,
author = "Petr, K.",
title = "{�e�en� rovnice $x^3+y^3+z^3=u^3$ cel�mi ��sly}",
journal = CASPMF,
year = "1911",
volume = "40",
pages = "99--102",
note = "{Pozn�mka k �l�nku stejn�ho nadpisu od J. Jand�ska z 39. ro�.}"
}

@ARTICLE{Petr11b,
author = "Petr, K.",
title = "{Pozn�mka o Legendre-Jacobiov� symbolu (PQ)}",
journal = CASPMF,
year = "1911",
volume = "40",
pages = "162--165"
}

@ARTICLE{Petr11c,
author = "Petr, K.",
title = "{O minimu forem kvadratick�ch}",
journal = CASPMF,
year = "1911",
volume = "40",
pages = "485--487"
}

@BOOK{Petr11d,
author = "Petr, K.",
title = "{O rovnic�ch differenci�ln�ch}",
year = "1911",
address = "{Praha}",
publisher = "{J�MF}",
note = "{Dle p�edn��ek prof. Dra Karla Petra sestavil Dr Vil�m Rychl�k}"
}

@ARTICLE{Petr12a,
author = "Petr, K.",
title = "{Augustin P�nek}",
journal = CASPMF,
year = "1912",
volume = "41",
pages = "1--8"
}

@ARTICLE{Petr12b,
author = "Petr, K.",
title = "{O jedn� v�t� pro substituce automorfn� kvadratick�ch forem
s re�ln�mi sou�initeli}",
journal = CASPMF,
year = "1912",
volume = "41",
pages = "448--458"
}

@ARTICLE{Petr13a,
author = "Petr, K.",
title = "{O s��t�n� �ad numerick�ch}",
journal = CASPMF,
year = "1913",
volume = "42",
pages = "353--369 a 465--493"
}

@ARTICLE{Petr13b,
author = "Petr, K.",
title = "{Integr�l Poisson�v jako p��m� d�sledek integr�lu Cauchyova}",
journal = CASPMF,
year = "1913",
volume = "42",
pages = "556--558"
}

@ARTICLE{Petr14a,
author = "Petr, K.",
title = "{O v�po�tu elliptick�ch integr�l� 1. a 2. druhu pomoc� st�edu
aritmeticko-geometrick�}",
journal = CASPMF,
year = "1914",
volume = "43",
pages = "332--350"
}

@ARTICLE{Petr15a,
author = "Petr, K.",
title = "{O relac�ch pro po�et t��d forem kvadratick�ch z�porn�ho
diskriminantu}",
journal = "{Vrb�v pam�tn�k}",
year = "1915",
number = "22",
note = "10 stran"
}

@ARTICLE{Petr15b,
author = "Petr, K.",
title = "{O jedn� formuli pro numerick� v�po�et ur�it�ch integr�l�}",
journal = CASPMF,
year = "1915",
volume = "44",
pages = "454--455"
}

@BOOK{Petr15c,
author = "Petr, K.",
title = "{Po�et integr�ln�}",
year = "1915",
address = "{Praha}",
publisher = "{J�MF}"
}

@ARTICLE{Petr16a,
author = "Petr, K.",
title = "{O relac�ch pro po�et t��d forem kvadratick�ch z�porn�ho
diskriminantu}",
journal = RCA,
year = "1916",
volume = "25",
number = "23",
note = "{7 stran}"
}

@ARTICLE{Petr17a,
author = "Petr, K.",
title = "{Pozn�mka k p�edch�zej�c�mu �l�nku}",
journal = CASPMF,
year = "1917",
volume = "46",
pages = "211--214",
note = "{List: Technick� matematika}"
}

@ARTICLE{Petr18a,
author = "Petr, K. and Nechv�le, V.",
title = "{Dv� pozn�mky ku specieln�mu p��padu probl�mu t�� t�les}",
journal = CASPMF,
year = "1918",
volume = "47",
pages = "268--273"
}

@ARTICLE{Petr19a,
author = "Petr, K.",
title = "{O jedn� metod� pro �e�en� numerick�ch rovnic algebraick�ch}",
journal = CASPMF,
year = "1919",
volume = "48",
pages = "241--252"
}

@ARTICLE{Petr19b,
author = "Petr, K.",
title = "{Pozn�mka k p�edch�zej�c�mu �l�nku}",
journal = CASPMF,
year = "1919",
volume = "48",
pages = "336",
note = "{W. Heinrich: O metod� instant�tn�ch oscilac� v asteroick�m probl�mu
t�� t�les}"
}

@ARTICLE{Petr20a,
author = "Petr, K.",
title = "{P��klad funkce spojit� nemaj�c� v ��dn�m bod� derivaci}",
journal = CASPMF,
year = "1920",
volume = "49",
pages = "25--31"
}

@ARTICLE{Petr21a,
author = "Petr, K.",
title = "{O separaci ko�en� rovnice algebraick� dle re�ln�ch ��st� ko�en�
a o d�kaze fundament�ln� v�ty algebry}",
journal = CASPMF,
year = "1921",
volume = "50",
pages = "23--33 a 93--102"
}

@ARTICLE{Petr23a,
author = "Petr, K.",
title = "{O jedn� metod� pro vy�et�ov�n� geometrick�ho v�znamu kombinant}",
journal = CASPMF,
year = "1923",
volume = "50",
pages = "114--124"
}

@BOOK{Petr23b,
author = "Petr, K.",
title = "{Po�et differenci�ln�}",
year = "1923",
address = "{Praha}",
publisher = "{J�MF}",
note = "{��st analytick�}"
}

@ARTICLE{Petr23c,
author = "Petr, K.",
title = "{Maty�� Lerch}",
journal = "{Almanach �A}",
year = "1923",
pages = "116--138"
}

@ARTICLE{Petr24a,
author = "Petr, K.",
title = "{D�kaz Jordanovy v�ty o spojit�ch �ar�ch}",
journal = CASPMF,
year = "1924",
volume = "51",
pages = "149--163"
}

@ARTICLE{Petr24b,
author = "Petr, K.",
title = "{Une d�monstration du th�or�me de Jordan sur les courbes
continues}",
journal = "{Spisy vyd�van� p��rod. fakultou Karlovy university}",
year = "1924",
number = "11",
notes = "23 stran"
}

@ARTICLE{Petr24c,
author = "Petr, K.",
title = "{Syst�m invariantn�ch �tvar� t�� tern�rn�ch forem kvadratick�ch}",
journal = RCA,
year = "1924",
volume = "33",
number = "28",
note = "{36 stran}"
}

@BOOK{Petr25a,
author = "Petr, K.",
title = "{Bernard Bolzano a jeho v�znam v matematice}",
year = "1925",
address = "{Praha}",
publisher = "{St�tn� tisk�rna v Praze}"
}

@ARTICLE{Petr25b,
author = "Petr, K.",
title = "{La fonction g�n�ratrice pour le nombre d'invariants de trois formes
quadratiques ternaires et le syst\`{e}me complet de ces invariants}",
journal = "{Bulletin International}",
year = "1925",
volume = "25",
pages = "164--199"
}

@ARTICLE{Petr26a,
author = "Petr, K.",
title = "{O rovnici Pellov�}",
journal = RCA,
year = "1926",
volume = "35",
number = "6",
note = "{7 stran}"
}

@ARTICLE{Petr26b,
author = "Petr, K.",
title = "{Sur l'equation de Pell}",
journal = "{Bulletin International}",
year = "1926",
volume = "26",
note = "{7 stran}"
}

@ARTICLE{Petr27a,
author = "Petr, K.",
title = "{O rovnici Pellov�}",
journal = CASPMF,
year = "1927",
volume = "56",
note = "{stran 57}"
}

@ARTICLE{Petr27b,
author = "Petr, K.",
title = "{Line�rn� transformace thetafunkc�}",
journal = RCA,
year = "1927",
volume = "36",
number = "1",
note = "{10 stran}"
}