Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_9_a6, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2618--{\CYRM}2621,} {{\CYRF}2625--{\CYRF}2628}}, journal = {Kvant}, pages = {20--21}, publisher = {mathdoc}, number = {9}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_9_a6/} }
Задачи М2618--М2621, Ф2625--Ф2628. Kvant, no. 9 (2020), pp. 20-21. http://geodesic.mathdoc.fr/item/KVANT_2020_9_a6/