Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2021_8_a16, title = {{\CYRK}{\cyra}{\cyrl}{\cyre}{\cyrishrt}{\cyrd}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrp} {``{\CYRK}{\cyrv}{\cyra}{\cyrn}{\cyrt}{\cyra}''.} {{\CYRV}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrery}} {\cyri} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {46--47}, publisher = {mathdoc}, number = {8}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_8_a16/} }
Калейдоскоп ``Кванта''. Вопросы и задачи. Kvant, no. 8 (2021), pp. 46-47. http://geodesic.mathdoc.fr/item/KVANT_2021_8_a16/