Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2009_4_a5, author = {S. Dorichenko and S. Shashkov and A. Shen'}, title = {{\CYRZ}{\cyra}{\cyrg}{\cyra}{\cyrd}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyre} {\cyrk}{\cyrr}{\cyru}{\cyrg}{\cyri} {\cyri} {\cyrd}{\cyrv}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri}}, journal = {Kvant}, pages = {42--43}, publisher = {mathdoc}, number = {4}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_4_a5/} }
S. Dorichenko; S. Shashkov; A. Shen'. Загадочные круги и движения плоскости. Kvant, no. 4 (2009), pp. 42-43. http://geodesic.mathdoc.fr/item/KVANT_2009_4_a5/