Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2022_6_a4, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {31}, publisher = {mathdoc}, number = {6}, year = {2022}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2022_6_a4/} }
Задачи. Kvant, no. 6 (2022). http://geodesic.mathdoc.fr/item/KVANT_2022_6_a4/