Authors
Nouha Boudjerida
Laboratory of Pure and Applied Mathematics, Faculty of Exact Sciences and Computer, University of Jijel, Jijel, Algeria
Doria Affane
Laboratory of Pure and Applied Mathematics, Faculty of Exact Sciences and Computer, University of Jijel, Jijel, Algeria
Mustapha Fateh Yarou
Laboratory of Pure and Applied Mathematics, Faculty of Exact Sciences and Computer, University of Jijel, Jijel, Algeria
