Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2022_10_a23, author = {E. Epifanov}, title = {{\CYRYO}{\cyrl}{\cyro}{\cyrch}{\cyrk}{\cyra}}, journal = {Kvant}, pages = {1}, publisher = {mathdoc}, number = {10}, year = {2022}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2022_10_a23/} }
E. Epifanov. Ёлочка. Kvant, no. 10 (2022). http://geodesic.mathdoc.fr/item/KVANT_2022_10_a23/