@book{404047,
title = {P\v r\'\i mky a k\v rivky},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1982},
language = {cs},
url = {http://dml.mathdoc.fr/item/404047}
}
Vasiljev, N. B.; Gutenmacher, V. L. Přímky a křivky. GDML_Books (1982), http://gdmltest.u-ga.fr/item/404047/