@article{PMFA_1967_12_1_a2,
     author = {Vlach\'y, Jan},
     title = {Fyzik\'aln{\'\i} v\'yzkum ve francouzsk\'em {CNRS}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {29--39},
     year = {1967},
     volume = {12},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1967_12_1_a2/}
}