S. Aranganayagi
(1), M. Saraswathi
(2), K. Chitirakala
(3), A. Vadivel
(4)
(1)
Department of Mathematics, Government Arts College, Dharmapuri, Tamil Nadu-636 705, India,
(2)
Department of Mathematics, Kandaswami Kandar's College P-velur, Tamil Nadu-638 182, India,
(3)
Department of Mathematics, M.Kumarasamy College of Engineering, Karur - 639 113, India,
(4)
Department of Mathematics, Annamalai University, Annamalai Nagar - 608 002, India