Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2018_2_a18, title = {{\CYRG}{\cyrd}{\cyre} {\cyro}{\cyrsh}{\cyri}{\cyrb}{\cyrk}{\cyra}?}, journal = {Kvant}, pages = {57--60}, publisher = {mathdoc}, number = {2}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2018_2_a18/} }
Где ошибка?. Kvant, no. 2 (2018), pp. 57-60. http://geodesic.mathdoc.fr/item/KVANT_2018_2_a18/