@inbook{402911,
title = {\'Uvod},
booktitle = {Kru\v znice},
series = {GDML\_Books},
publisher = {Jednota \v ceskoslovensk\'ych matematik\r u a fyzik\r u},
address = {Praha},
year = {1950},
pages = {3-3},
url = {http://dml.mathdoc.fr/item/402911}
}
(éd.). Úvod, dans Kružnice, GDML_Books, (1950), p. 3. http://gdmltest.u-ga.fr/item/402911/