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Sk Md Abu Nayeem Author & 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