About this article
Published Online: Apr 09, 2016
Page range: 99 - 108
Received: Mar 03, 2015
Accepted: Dec 08, 2015
DOI: https://doi.org/10.1515/awutm-2015-0017
Keywords
© 2015 Annals of West University of Timisoara - Mathematics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Mandal, Dhananjoy
Mukherjee, M. N.