Login New user?   Sohag Journal of Mathematics An International Journal   SJM Home   Aim and Scope   For Reviewers   For Authors   Editorial Board   Publication Ethics   Open Access   Processing Charges   Submit an Article   Content   Forthcoming Papers   Subscription Author     Name : Galal I. El–Baghdady Address : Department of Engineering Physics and Mathematics, Faculty of Engineering, Mansoura University, El–Gomheria St., Mansoura, Dakahlia, 35516, Egypt. Email : amoun1973@yahoo.com Telephone : 0000   Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved