Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2009_1_a19, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2116{\textendash}{\CYRM}2123,} {{\CYRF}2123{\textendash}{\CYRF}2129}}, journal = {Kvant}, pages = {25--26}, publisher = {mathdoc}, number = {1}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_1_a19/} }
Задачи М2116–М2123, Ф2123–Ф2129. Kvant, no. 1 (2009), pp. 25-26. http://geodesic.mathdoc.fr/item/KVANT_2009_1_a19/