@misc{PMFA_1960_5_2_a5,
     title = {O n\v{e}kter\'ych probl\'emech kosmick\'ych let\r{u} {[Dokon\v{c}en{\'\i}]}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {174--184},
     year = {1960},
     volume = {5},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1960_5_2_a5/}
}