Malkin, I.G. (1956) Some Problems of the Theory of Nonlinear Oscillations. Gosudarstv. Izdat. Tehn-Teor. Lit., Moscow. (In Russian).

has been cited by the following article:

• TITLE: Periodic Solutions of a Class of Second-Order Differential Equation

  AUTHORS: Zeyneb Bouderbala, Jaume Llibre, Amar Makhlouf

  KEYWORDS: Periodic Solution, Differential Equation, Averaging Theory

  JOURNAL NAME: Applied Mathematics, Vol.7 No.3, February 29, 2016

  ABSTRACT: We study the periodic solutions of the second-order differential equations of the form where the functions, , and are periodic of period in the variable t.