Université Mohamed I, Faculté des Sciences, Département de Mathématiques et Informatique, Oujda, Maroc. E-mail: anane@sciences.univ-oujda.ac.ma, chakrone@yahoo.fr, abdellahzerouali@hotmail.com
AMS subject classification: 35J65, 35J25.
In this paper we study the existence of periodic weak solutions of semilinear wave equations in the case of nonresonance.
D'Alembertian, homotopy argument, eigenvalues
