Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_2_a8, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2590{\textendash}{\CYRM}2593,} {{\CYRF}2597{\textendash}{\CYRF}2600}}, journal = {Kvant}, pages = {17--18}, publisher = {mathdoc}, number = {2}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_2_a8/} }
Задачи М2590–М2593, Ф2597–Ф2600. Kvant, no. 2 (2020), pp. 17-18. http://geodesic.mathdoc.fr/item/KVANT_2020_2_a8/