@article{PMFA_1960_5_6_a8,
     author = {Rytov, S.M.},
     title = {Co uvid{\'\i} a s \v{c}{\'\i}m se setk\'a relativistick\'y astronaut},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {728--733},
     year = {1960},
     volume = {5},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1960_5_6_a8/}
}