@article{PMFA_1971_16_5_a1,
     author = {Ka\v{s}par, Emil},
     title = {Kriteria v\v{e}deckosti prac{\'\i} z teorie vyu\v{c}ov\'an{\'\i} fyzice},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {237--245},
     year = {1971},
     volume = {16},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1971_16_5_a1/}
}