@inbook{402679,
title = {Po\v radov\'a \v c\'\i sla},
booktitle = {Po\v cet integr\'aln\'\i },
series = {GDML\_Books},
publisher = {Jednota \v ceskoslovensk\'ych mathematik\r u a fysik\r u},
address = {Praha},
year = {1931},
pages = {680-691},
url = {http://dml.mathdoc.fr/item/402679}
}
(éd.). Pořadová čísla, dans Počet integrální, GDML_Books, (1931), pp. 680-691. http://gdmltest.u-ga.fr/item/402679/