@article{PMFA_1963_8_4_a3,
     author = {Kroupa, Franti\v{s}ek},
     title = {Studium mechanick\'ych vlastnost{\'\i} pevn\'ych l\'atek},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {215--227},
     year = {1963},
     volume = {8},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1963_8_4_a3/}
}