Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2023_11_a9, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} 9{\textendash}16}, journal = {Kvant}, pages = {39--40}, publisher = {mathdoc}, number = {11}, year = {2023}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2023_11_a9/} }
Задачи 9–16. Kvant, no. 11 (2023), pp. 39-40. http://geodesic.mathdoc.fr/item/KVANT_2023_11_a9/