Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2009_5_a0, author = {S. Tabachnikov and V. Timorin}, title = {{\CYRP}{\cyrr}{\cyrya}{\cyrm}{\cyra}{\cyrya} {{\CYRS}{\cyri}{\cyrl}{\cyrsftsn}{\cyrv}{\cyre}{\cyrs}{\cyrt}{\cyrr}{\cyra}}}, journal = {Kvant}, pages = {2--6}, publisher = {mathdoc}, number = {5}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_5_a0/} }
S. Tabachnikov; V. Timorin. Прямая Сильвестра. Kvant, no. 5 (2009), pp. 2-6. http://geodesic.mathdoc.fr/item/KVANT_2009_5_a0/