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"Two Limit Cycles in Liénard Piecewise Linear Differential Systems."
Jaume Llibre, Enrique Ponce, Cláudia Valls (2019)
- Jaume Llibre, Enrique Ponce, Cláudia Valls:
Two Limit Cycles in Liénard Piecewise Linear Differential Systems. J. Nonlinear Sci. 29(4): 1499-1522 (2019)
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