@article{PMFA_1957_2_6_a4,
     author = {Havel, V\'aclav},
     title = {O stereometrick\'em vybudov\'an{\'\i} theorie ku\v{z}elose\v{c}ek},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {687--697},
     year = {1957},
     volume = {2},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1957_2_6_a4/}
}