@inbook{403496,
title = {3. kapitola. Kvadratick\'e rovnice},
booktitle = {O rovnic\'\i ch s parametry},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1964},
pages = {45-[63]},
url = {http://dml.mathdoc.fr/item/403496}
}
(éd.). 3. kapitola. Kvadratické rovnice, dans O rovnicích s parametry, GDML_Books, (1964), pp. 45-[63]. http://gdmltest.u-ga.fr/item/403496/