Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2008_6_a8, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2111{\textendash}{\CYRM}2115,} {{\CYRF}2118{\textendash}{\CYRF}2122}}, journal = {Kvant}, pages = {13--14}, publisher = {mathdoc}, number = {6}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2008_6_a8/} }
Задачи М2111–М2115, Ф2118–Ф2122. Kvant, no. 6 (2008), pp. 13-14. http://geodesic.mathdoc.fr/item/KVANT_2008_6_a8/