Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2007_3_a11, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2041{\textendash}{\CYRM}2050,} {{\CYRF}2048{\textendash}{\CYRF}2057}}, journal = {Kvant}, pages = {19--21}, publisher = {mathdoc}, number = {3}, year = {2007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2007_3_a11/} }
Задачи М2041–М2050, Ф2048–Ф2057. Kvant, no. 3 (2007), pp. 19-21. http://geodesic.mathdoc.fr/item/KVANT_2007_3_a11/