Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2020_9_a5, author = {V. V. Proizvolov}, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {28}, publisher = {mathdoc}, number = {9}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_9_a5/} }
V. V. Proizvolov. Задачи. Kvant, no. 9 (2020). http://geodesic.mathdoc.fr/item/KVANT_2020_9_a5/