@inbook{403600,
title = {[Ob\'alka]},
booktitle = {\'Ulohy o maximech a minimech funkc\'\i },
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1967},
pages = {[i]-[ii]},
url = {http://dml.mathdoc.fr/item/403600}
}
(éd.). [Obálka], dans Úlohy o maximech a minimech funkcí, GDML_Books, (1967), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/403600/