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@article{DAN_1992_323_6_a3, author = {A. A. Dezin and N. G. Marchuk}, title = {Perturbation of periodicity conditions in the simplest nonlinear model}, journal = {Doklady Akademii Nauk}, pages = {1012--1015}, publisher = {mathdoc}, volume = {323}, number = {6}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_323_6_a3/} }
A. A. Dezin; N. G. Marchuk. Perturbation of periodicity conditions in the simplest nonlinear model. Doklady Akademii Nauk, Tome 323 (1992) no. 6, pp. 1012-1015. http://geodesic.mathdoc.fr/item/DAN_1992_323_6_a3/