Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_4_a8, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2598{\textendash}{\CYRM}2601,} {{\CYRF}2605{\textendash}{\CYRF}2608}}, journal = {Kvant}, pages = {16--17}, publisher = {mathdoc}, number = {4}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_4_a8/} }
Задачи М2598–М2601, Ф2605–Ф2608. Kvant, no. 4 (2020), pp. 16-17. http://geodesic.mathdoc.fr/item/KVANT_2020_4_a8/