Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2020_8_a6, author = {N. B. Vasil'ev}, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {26}, publisher = {mathdoc}, number = {8}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_8_a6/} }
N. B. Vasil'ev. Задачи. Kvant, no. 8 (2020). http://geodesic.mathdoc.fr/item/KVANT_2020_8_a6/