Author/Authors :
Paikray، S.K. نويسنده Department of Mathematics,Ravenshaw University,Cuttack,India , , Misra، U.K. نويسنده Department of Mathematics,Berhampur University,Berhampur,India , , Sahoo، N.C. نويسنده Department of Mathematics,S.B. Women’s College,Cuttack,India ,