Authors
Ramzi Alsaedi
Department of Mathematics, King Abdulaziz University, Faculty of Sciences, Department of Mathematics, University of Jeddah, College of Sciences, Jeddah
Abdelwahab Dhifli
Department of Mathematics, University of Jeddah, College of Sciences, Saudi Arabia
Abdeljabbar Ghanmi
Department of Mathematics, University of Jeddah, College of Sciences, Saudi Arabia