Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2010_5_a9, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {34}, publisher = {mathdoc}, number = {5}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2010_5_a9/} }
Задачи. Kvant, no. 5 (2010). http://geodesic.mathdoc.fr/item/KVANT_2010_5_a9/