Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_1_a12, title = {{\CYRI}{\cyrz}{\cyrb}{\cyrr}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {46}, publisher = {mathdoc}, number = {1}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_1_a12/} }
Избранные задачи. Kvant, no. 1 (2020). http://geodesic.mathdoc.fr/item/KVANT_2020_1_a12/