1994 SENGUPTA, P.R. Ph.D.,D.Sc.,F.A.Sc.T.,F.I.M.A.(U.K.), Professor, Department of Mathematics, University of Kalyani, Kalyani – 741235; Res. 201 Manicktalla Main Road, Flat No. 42, Kolkata – 700054;
1994 SENGUPTA, P.R. Ph.D.,D.Sc.,F.A.Sc.T.,F.I.M.A.(U.K.), Professor, Department of Mathematics, University of Kalyani, Kalyani – 741235; Res. 201 Manicktalla Main Road, Flat No. 42, Kolkata – 700054;