Author/Authors :
Samanta، Tapas Kumar نويسنده Department of Mathematics, Uluberia College Samanta, Tapas Kumar , Kayal، Nabin نويسنده Department of Mathematics, Moula Netaji Vidyalaya Kayal, Nabin , Mondal، Pratap نويسنده Department of Mathematics, Orphuli Uday Chand Memorial Institute Mondal, Pratap