@inbook{404056,
title = {Kapitola 5. Hladiny},
booktitle = {P\v r\'\i mky a k\v rivky},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1982},
pages = {72-87},
url = {http://dml.mathdoc.fr/item/404056}
}
(éd.). Kapitola 5. Hladiny, dans Přímky a křivky, GDML_Books, (1982), pp. 72-87. http://gdmltest.u-ga.fr/item/404056/