Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1987_23_3_a29, author = {Yu. B. Suris}, title = {Symbolic dynamics for a nonlinear nonautonomous oscillator}, journal = {Differencialʹnye uravneni\^a}, pages = {535--538}, publisher = {mathdoc}, volume = {23}, number = {3}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_3_a29/} }
Yu. B. Suris. Symbolic dynamics for a nonlinear nonautonomous oscillator. Differencialʹnye uravneniâ, Tome 23 (1987) no. 3, pp. 535-538. http://geodesic.mathdoc.fr/item/DE_1987_23_3_a29/