Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2019_6_a18, author = {E. Epifanov}, title = {{\CYRB}{\cyru}{\cyrk}{\cyrv}{\cyra}~{\CYRN}}, journal = {Kvant}, pages = {1}, publisher = {mathdoc}, number = {6}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_6_a18/} }
E. Epifanov. Буква~Н. Kvant, no. 6 (2019). http://geodesic.mathdoc.fr/item/KVANT_2019_6_a18/