@book{403589,
title = {Kru\v znice},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1966},
language = {cs},
url = {http://dml.mathdoc.fr/item/403589}
}
Horák, Stanislav. Kružnice. GDML_Books (1966), http://gdmltest.u-ga.fr/item/403589/