@book{403823,
title = {Co asi nev\'\i te o vzd\'alenosti},
series = {GDML\_Books},
publisher = {Mlad\'a fronta},
address = {Praha},
year = {1974},
language = {cs},
url = {http://dml.mathdoc.fr/item/403823}
}
Kufner, Alois. Co asi nevíte o vzdálenosti. GDML_Books (1974), http://gdmltest.u-ga.fr/item/403823/