Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2019_4_a20, author = {E. Epifanov}, title = {{\CYRSH}{\cyre}{\cyrs}{\cyrt}{\cyrsftsn} {{\CYRT}}}, journal = {Kvant}, pages = {1}, publisher = {mathdoc}, number = {4}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_4_a20/} }
E. Epifanov. Шесть Т. Kvant, no. 4 (2019). http://geodesic.mathdoc.fr/item/KVANT_2019_4_a20/