Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2009_2_a12, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2124{\textendash}{\CYRM}2130,} {{\CYRF}2130{\textendash}{\CYRF}2137}}, journal = {Kvant}, pages = {21--22}, publisher = {mathdoc}, number = {2}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_2_a12/} }
Задачи М2124–М2130, Ф2130–Ф2137. Kvant, no. 2 (2009), pp. 21-22. http://geodesic.mathdoc.fr/item/KVANT_2009_2_a12/