Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@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/} }
Hejný, Milan; Stehlíková, Naďa. Aritmetické závody. Učitel matematiky, Tome 05 (1997) no. 4, pp. 213-219. http://geodesic.mathdoc.fr/item/UM_1997__5_4_a2/