Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2019_7_a6, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2566{\textendash}{\CYRM}2569,} {{\CYRF}2573{\textendash}{\CYRF}2576}}, journal = {Kvant}, pages = {13--14}, publisher = {mathdoc}, number = {7}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_7_a6/} }
Задачи М2566–М2569, Ф2573–Ф2576. Kvant, no. 7 (2019), pp. 13-14. http://geodesic.mathdoc.fr/item/KVANT_2019_7_a6/