Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2021_11_a7, title = {{\CYRK}{\cyro}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrs}{\cyre}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya}}, journal = {Kvant}, pages = {32--33}, publisher = {mathdoc}, number = {11}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2021_11_a7/} }
Конические сечения. Kvant, no. 11 (2021), pp. 32-33. http://geodesic.mathdoc.fr/item/KVANT_2021_11_a7/