Authors
M. K. Aouf
Department of Mathematics, Faculty of Science, Mansoura University, Mansoura, Egypt
S.M. Madian
Basic Science Department, Higher Institute for Engineering and Technology, New Damietta, Egypt
© 2021 M. K. Aouf, S.M. Madian, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.