Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_6_a15, title = {{\CYRK}{\cyra}{\cyrl}{\cyre}{\cyrishrt}{\cyrd}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrp} {{\guillemotleft}{\CYRK}{\cyrv}{\cyra}{\cyrn}{\cyrt}{\cyra}{\guillemotright}}}, journal = {Kvant}, pages = {43--45}, publisher = {mathdoc}, number = {6}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_6_a15/} }
Калейдоскоп «Кванта». Kvant, no. 6 (2020), pp. 43-45. http://geodesic.mathdoc.fr/item/KVANT_2020_6_a15/