@article{PMFA_1991_36_2_a4,
     author = {Lehtinen, Matti},
     title = {V{\'\i}t\v{e}zov\'e mezin\'arodn{\'\i}ch matematick\'ych olympi\'ad jsou budouc{\'\i} matematici},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {115--117},
     year = {1991},
     volume = {36},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1991_36_2_a4/}
}