@article{UM_1997__5_4_a2,
     author = {Hejn\'y, Milan and Stehl{\'\i}kov\'a, Na\v{d}a},
     title = {Aritmetick\'e z\'avody},
     journal = {U\v{c}itel matematiky},
     pages = {213--219},
     publisher = {mathdoc},
     volume = {05},
     number = {4},
     year = {1997},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_1997__5_4_a2/}
}