Existence of a Periodic Solution for Nonlinear Systems of Differential Equations with Retarded Argument

• المؤلفون الرئيسيون: Raad N.Butris (مؤلف), Ayad S.Seeto (مؤلف)
• التنسيق: كتاب
• منشور في: College of Education for Pure Sciences, 2005-01-01T00:00:00Z.
• الموضوعات: article
• الوصول للمادة أونلاين: Connect to this object online.

In this paper we investigate the existence and approximation of the periodic solutions for nonlinear systems of differential equations with retarded argument, by using the method of periodic solutions of ordinary differential equation which are given be A. M, Somilenko .