About the Authors

Gemechis File

Department of Mathematics, Jimma University, Jimma, P. O. Box 378, Ethiopia

Gashu Gadisa

Department of Mathematics, Jimma University, Jimma, P. O. Box 378, Ethiopia

Tesfaye Aga

Department of Mathematics, Jimma University, Jimma, P. O. Box 378, Ethiopia

Y. N. Reddy

Department of Mathematics, National Institute of Technology, Warangal-506 004, India

Corresponding Author

Email: ynreddy@nitw.ac.in