Affiliation: | 1. Department of Mathematics, Chettinad College of Engineering and Technology, Karur, 639 114, Tamilnadu, India 2. Department of Mathematics, Sungkyunkwan University, Suwon, 440 746, Republic of Korea 3. Department of Mathematics, Sri Ramakrishna Institute of Technology, Coimbatore, 641 010, Tamilnadu, India 4. Department of Mathematics, Anna University-Regional Centre, Coimbatore, 641 047, Tamilnadu, India
|