Login New user?   Sohag Journal of Mathematics An International Journal   SJM Home   Submit an Article   Content   Forthcoming Papers   Subscription Author     Name : Taieb Hamaizia Address : Laboratory of Dynamical Systems and Control, Department of mathematics and informatics, OEB University, Algeria Email : N/A Telephone :   Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved