@inbook{402946,
title = {[Ob\'alka a z\'alo\v zka]},
booktitle = {O rovnic\'\i ch},
series = {GDML\_Books},
publisher = {Jednota \v cesk\'ych matematik\r u a fysik\r u v Praze},
address = {Praha},
year = {1940},
pages = {[i]-[ii]},
url = {http://dml.mathdoc.fr/item/402946}
}
(éd.). [Obálka a záložka], dans O rovnicích, GDML_Books, (1940), pp. [i]-[ii]. http://gdmltest.u-ga.fr/item/402946/