Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2018_3_a9, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2502--{\CYRM}2505,} {{\CYRF}2509--{\CYRF}2512}}, journal = {Kvant}, pages = {19--20}, publisher = {mathdoc}, number = {3}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2018_3_a9/} }
Задачи М2502--М2505, Ф2509--Ф2512. Kvant, no. 3 (2018), pp. 19-20. http://geodesic.mathdoc.fr/item/KVANT_2018_3_a9/