PageHeader : Funkcialaj Ekvacioj, 35 (1992) 485-503
Title : On the Existence of Periodic Solutions for
Title : a Class of Nonlinearly Forced Systems
AuthorInfo : By
AuthorInfo : O. ARINO and A. A. CHERIF
AuthorInfo : (Universite de Pau, France)
section : Introduction
section : Section 1
section : Section 2
section : References