Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2019_9_a6, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2574{\textendash}{\CYRM}2577,} {{\CYRF}2581{\textendash}{\CYRF}2584}}, journal = {Kvant}, pages = {14--15}, publisher = {mathdoc}, number = {9}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_9_a6/} }
Задачи М2574–М2577, Ф2581–Ф2584. Kvant, no. 9 (2019), pp. 14-15. http://geodesic.mathdoc.fr/item/KVANT_2019_9_a6/