@article{PMFA_1970_15_1_a2,
     author = {Joz{\'\i}fek, V{\'\i}t\v{e}slav},
     title = {O neredukovatelnosti geometrie},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {33--37},
     year = {1970},
     volume = {15},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1970_15_1_a2/}
}