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

• Main Authors: Raad N.Butris (Author), Ayad S.Seeto (Author)
• פורמט: ספר
• יצא לאור: College of Education for Pure Sciences, 2005-01-01T00:00:00Z.
• נושאים: article
• גישה מקוונת: 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 .