Authors
Deepmala
SQC & OR Unit, Indian Statistical Institute, 203 B. T. Road,, Kolkata, India
Ravi P. Agarwal
Department of Mathematics, Texas A&M University-Kingsville,, Kingsville, USA
© 2017 Deepmala, Ravi P. Agarwal, published by Ovidius University of Constanta
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.