Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_6_a7, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2606--{\CYRM}2609,} {{\CYRF}2613--{\CYRF}2616}}, journal = {Kvant}, pages = {17--18}, publisher = {mathdoc}, number = {6}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_6_a7/} }
Задачи М2606--М2609, Ф2613--Ф2616. Kvant, no. 6 (2020), pp. 17-18. http://geodesic.mathdoc.fr/item/KVANT_2020_6_a7/