Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2007_6_a9, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2066{\textendash}{\CYRM}2070,} {{\CYRF}2073{\textendash}{\CYRF}2077}}, journal = {Kvant}, pages = {17--18}, publisher = {mathdoc}, number = {6}, year = {2007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2007_6_a9/} }
Задачи М2066–М2070, Ф2073–Ф2077. Kvant, no. 6 (2007), pp. 17-18. http://geodesic.mathdoc.fr/item/KVANT_2007_6_a9/