@inbook{403651,
title = {[Ob\'alka]},
booktitle = {Kongruence},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1968},
pages = {[i]-[ii]},
url = {http://dml.mathdoc.fr/item/403651}
}
(éd.). [Obálka], dans Kongruence, GDML_Books, (1968), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/403651/