[1] Univ Carthage, Inst Preparatoire Etud Ingn Nabeul, Lab Phys Math Modelisat Quant & Concept Mecan, Nabeul 8000, Tunisia
[2] Taif Univ, Khurmah Univ Coll, Math Dept, Lab Phys Math Modelisat Quant & Concept Mecan, Taif, Saudi Arabia
[3] Univ Sousse, Inst Super Sci Appl & Technol Sousse, Cite Ibn Khaldoun 4003, Tunisia
[4] Univ Tunis El Manar, Inst Preparatoire Etud Ingn El Manar, Lab Phys Math Modelisat Quant & Concept Mecan, Tunis 2092, Tunisia