Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2019_5_a6, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2558--{\CYRM}2561,} {{\CYRF}2565--{\CYRF}2568}}, journal = {Kvant}, pages = {22--23}, publisher = {mathdoc}, number = {5}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_5_a6/} }
Задачи М2558--М2561, Ф2565--Ф2568. Kvant, no. 5 (2019), pp. 22-23. http://geodesic.mathdoc.fr/item/KVANT_2019_5_a6/