1. A Modified Energy Balance Method to Obtain Higher-order Approximations to the Oscillators with Cubic and Harmonic Restoring Force

Volume 6, Issue 2, Spring 2020, Pages 320-331

10.22055/jacm.2019.29782.1634

Md Alal Hosen; Gamal Ismail; Ahmet Yildirim; M.A.S. Kamal