@article{PMFA_1970__15_6_a2,
     author = {Vy\v{s}{\'\i}n, Jan},
     title = {Dies caniculares et tempestates \v{c}ili report\'a\v{z} o {XII.} mezin\'arodn{\'\i} matematick\'e olympi\'ad\v{e}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {264--275},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1970},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/item/PMFA_1970__15_6_a2/}
}