Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2010_1_a14, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2161{\textendash}{\CYRM}2168,} {{\CYRF}2168{\textendash}{\CYRF}2174}}, journal = {Kvant}, pages = {24--25}, publisher = {mathdoc}, number = {1}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2010_1_a14/} }
Задачи М2161–М2168, Ф2168–Ф2174. Kvant, no. 1 (2010), pp. 24-25. http://geodesic.mathdoc.fr/item/KVANT_2010_1_a14/