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@article{DAN_1974_218_5_a14, author = {D. P. Zeragi\^a}, title = {On branching of periodic solutions for one autonomous system}, journal = {Doklady Akademii Nauk}, pages = {1052--1055}, publisher = {mathdoc}, volume = {218}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_218_5_a14/} }
D. P. Zeragiâ. On branching of periodic solutions for one autonomous system. Doklady Akademii Nauk, Tome 218 (1974) no. 5, pp. 1052-1055. http://geodesic.mathdoc.fr/item/DAN_1974_218_5_a14/