Authors
Nadeem ur Rehman
Department of Mathematics, Aligarh muslim University, Aligarh, India
Najat Mohammed Muthana
Department of Mathematics, Faculty of science, King Abdulaziz University, Jeddah, Saudi Arabia
© 2019 Nadeem ur Rehman, Radwan M. Al-omary, Najat Mohammed Muthana, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.