Authors
Mohammed Rahmani
Department of Mathematics, Oriental Applied Mathematics Laboratory(LAMO), FSO,Mohamed first University, Morocco
Mostafa Rahmani
Department of Mathematics, Oriental Applied Mathematics Laboratory(LAMO), FSO,Mohamed first University, Morocco
Aomar Anane
Department of Mathematics, Oriental Applied Mathematics Laboratory(LAMO), FSO,Mohamed first University, Morocco
Mohammed Massar
Department of Mathematics, FTSH, Abdelmalek Essaadi University, Morocco