Jyotirmoy Mukhopadhyay Editor

Sk. Md. Abu Nayeem / Jyotirmoy Mukhopadhyay.: Department of Mathematics, Aliah University, DN-41 Sector V, Salt Lake, Kolkata S. B. Rao.:(DST-CMS Project) C R Rao Advanced Institute of Mathematics Statistics & Computer Science, University of Hyderabad Campus Hyderabad