@article{PMFA_1975__20_2_a9,
     author = {Ouhrabka, Miroslav and Volf, Ivo},
     title = {Fyzik\'aln{\'\i} metaolympi\'ada},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {108--109},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1975},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1975__20_2_a9/}
}