@article{PMFA_1996_41_3_a6,
     author = {Volf, Ivo},
     title = {Sou\v{c}asn\'y stav a n\v{e}kter\'e probl\'emy fyzik\'aln{\'\i} olympi\'ady},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {162--166},
     year = {1996},
     volume = {41},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1996_41_3_a6/}
}