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@article{PIM_1971_N_S_11_25_a9, author = {{\CYRCH}. {\CYRD}{\cyrzh}{\cyra}{\cyrya}}, title = {{\CYRP}{\cyro}{\cyrch}{\cyrt}{\cyri} {{\CYRP}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre}} {{\CYRS}{\cyre}{\cyrm}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra}} {{\CYRD}{\cyrv}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt}} {{\CYRD}{\cyri}{\cyrn}{\cyra}{\cyrm}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh}} {{\CYRS}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}}}, journal = {Publications de l'Institut Math\'ematique}, pages = {61 }, publisher = {mathdoc}, volume = {_N_S_11}, number = {25}, year = {1971}, url = {http://geodesic.mathdoc.fr/item/PIM_1971_N_S_11_25_a9/} }
Ч. Джая. Почти Периодиеские Семейства Движений Динамических Систем. Publications de l'Institut Mathématique, _N_S_11 (1971) no. 25, p. 61 . http://geodesic.mathdoc.fr/item/PIM_1971_N_S_11_25_a9/