Generalized Symmetry of the Liénard System
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DOI: 10.1134/s0012266119020046
Abstract: We refine the notion of generalized symmetry of a plane autonomous system of differential equations used by I.S. Kukles in the generalized symmetry method. A formula relating the Kukles and Otrokov theorems on necessary and… read more here.
Keywords: system generalized; system; generalized symmetry; symmetry nard ... See more keywords