Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_7_a22, title = {{\CYRT}{\cyro}{\cyrl}{\cyrsftsn}{\cyrk}{\cyro} {\cyrl}{\cyri} {\cyri}{\cyrg}{\cyrr}{\cyru}{\cyrsh}{\cyrk}{\cyra}}, journal = {Kvant}, pages = {66}, publisher = {mathdoc}, number = {7}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_7_a22/} }
Только ли игрушка. Kvant, no. 7 (2020). http://geodesic.mathdoc.fr/item/KVANT_2020_7_a22/