@article{PMFA_1975__20_4_a5,
     author = {M{\'\i}da, Ji\v{r}{\'\i}},
     title = {O dvou probl\'emech matematick\'e olympi\'ady},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {216--217},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1975},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1975__20_4_a5/}
}