Authors
He Qingbi
College of Information Science and Engineering Chongqing Jiaotong University, Chongqing, China
Tang Zhaojun
School of Mathematics and Statistics Chongqing University of Technology, Chongqing, China
© 2016 He Qingbi, Tang Zhaojun, published by Professor Subhas Chandra Mukhopadhyay
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.