Authors
Ibn Zohr University, Faculty of Sciences, Department of Mathematics, Equipe d’Equations Fonctionnelles et Applications, Agadir, Morocco
Abdellatif Chahbi
Ibn Zohr University, Faculty of Sciences, Department of Mathematics, Equipe d’Equations Fonctionnelles et Applications, Agadir, Morocco
Elhoucien Elqorachi
Ibn Zohr University, Faculty of Sciences, Department of Mathematics, Equipe d’Equations Fonctionnelles et Applications, Agadir, Morocco