Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1961_138_2_a13, author = {V. A. Pliss}, title = {The phenomenon of convergence in non-linear periodic systems}, journal = {Doklady Akademii Nauk}, pages = {301--304}, publisher = {mathdoc}, volume = {138}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_2_a13/} }
V. A. Pliss. The phenomenon of convergence in non-linear periodic systems. Doklady Akademii Nauk, Tome 138 (1961) no. 2, pp. 301-304. http://geodesic.mathdoc.fr/item/DAN_1961_138_2_a13/