Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2020_4_a6, author = {A. L. Kanunnikov}, title = {{\CYRP}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrr}{\cyrery} {\cyri} {\cyrk}{\cyro}{\cyrn}{\cyrt}{\cyrr}{\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrr}{\cyrery}}, journal = {Kvant}, pages = {23--26}, publisher = {mathdoc}, number = {4}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_4_a6/} }
A. L. Kanunnikov. Примеры и контрпримеры. Kvant, no. 4 (2020), pp. 23-26. http://geodesic.mathdoc.fr/item/KVANT_2020_4_a6/