Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2021_1_a8, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2634--{\CYRM}2637,} {{\CYRF}2641--{\CYRF}2644}}, journal = {Kvant}, pages = {23--25}, publisher = {mathdoc}, number = {1}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_1_a8/} }
Задачи М2634--М2637, Ф2641--Ф2644. Kvant, no. 1 (2021), pp. 23-25. http://geodesic.mathdoc.fr/item/KVANT_2021_1_a8/