@article{PMFA_1967__12_1_a4,
     author = {Maty\'a\v{s}, Milo\v{s}},
     title = {12. valn\'e shrom\'a\v{z}d\v{e}n{\'\i} {Mezin\'arodn{\'\i}} unie pro \v{c}istou a u\v{z}itou fyziku},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {42--45},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1967},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1967__12_1_a4/}
}