فهرست مقالات امیر ایازی مقاله 1 - Determination of the amplitude-frequency for strongly nonlinear oscillator by two approximate analytical techniques 10.1186/2251-7235-7-38 Amir Ayazi Hadi Ebrahimi Khah Journal of Theoretical and Applied Physics , شماره 1 , سال 0 , زمستان 2013
