Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2020_9_a8, author = {K. Knop}, title = {{\CYRSH}{\cyre}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyre}{\cyrr}{\cyrp}{\cyre}{\cyrn}{\cyrd}{\cyri}{\cyrk}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {25--27}, publisher = {mathdoc}, number = {9}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2020_9_a8/} }
K. Knop. Шесть перпендикуляров. Kvant, no. 9 (2020), pp. 25-27. http://geodesic.mathdoc.fr/item/KVANT_2020_9_a8/