Authors
Pankaj Chettri
Department of Mathematics, Sikkim Manipal Institute of Technology, Sikkim Manipal University, India
Anamika Chettri
Department of Mathematics, Sikkim Manipal Institute of Technology, Sikkim Manipal University, India
© 2017 Pankaj Chettri, Anamika Chettri, published by Sapientia Hungarian University of Transylvania
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.