Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2011_3_a9, title = {{\CYRO}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2200}}, journal = {Kvant}, pages = {30}, publisher = {mathdoc}, number = {3}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2011_3_a9/} }
Обобщение задачи М2200. Kvant, no. 3 (2011). http://geodesic.mathdoc.fr/item/KVANT_2011_3_a9/