Authors
Mohammad Ashraf
Department of Mathematics, Aligarh Muslim University, Aligarh, India
Bilal Ahmad Wani
Department of Mathematics, Aligarh Muslim University, Aligarh, India
© 2018 Mohammad Ashraf, Bilal Ahmad Wani, published by Corvinus University of Budapest
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.