@inbook{401427,
title = {Obsah},
booktitle = {Z\'aklady teorie grupoid\r u a grup},
series = {GDML\_Books},
publisher = {Nakladatelstv\'\i\ \v ceskoslovensk\'e akademie v\v ed},
address = {Praha},
year = {1962},
pages = {7-13},
url = {http://dml.mathdoc.fr/item/401427}
}
(éd.). Obsah, dans Základy teorie grupoidů a grup, GDML_Books, (1962), pp. 7-13. http://gdmltest.u-ga.fr/item/401427/