@article{PMFA_1962_7_6_a4,
     author = {Kos, Zden\v{e}k},
     title = {Antigravitace},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {345--350},
     year = {1962},
     volume = {7},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1962_7_6_a4/}
}