TY - JOUR AU - Cornejo Pérez, Octavio AU - Albares Vicente, Paz AU - Negro, Javier PY - 2025 SN - 0167-2789 UR - http://hdl.handle.net/10366/169889 AB - [EN] In this work, exact solutions of the nonlinear cubic–quintic Duffing–van der Pol oscillator with variable coefficients are obtained. Two approaches have been applied, one based on the factorization method combined with the Field Method, and a... LA - eng KW - Duffing-van der Pol equation KW - Liénard equation KW - Factorization method KW - Painlevé property KW - Jacobi Last Multiplier KW - Lagrangian TI - Solutions of an extended Duffing–van der Pol equation with variable coefficients DO - 10.1016/j.physd.2025.134675 T2 - Physica D: Nonlinear Phenomena VL - 476 M2 - 134675 ER -