@article{PMFA_1976_21_3_a5,
     author = {Vy\v{s}{\'\i}n, Jan},
     title = {P\v{r}ehl{\'\i}dka sout\v{e}\v{z}n{\'\i}ch \'uloh matematick\'e olympi\'ady},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {162--168},
     year = {1976},
     volume = {21},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1976_21_3_a5/}
}