@article{PMFA_1974_19_4_a7,
     author = {Ouhrabka, Miroslav and Volf, Ivo},
     title = {Fyzik\'aln{\'\i} metaolympi\'ada},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {223--224},
     year = {1974},
     volume = {19},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1974_19_4_a7/}
}