• [1]

    P.A.M.Dirac,Lectures on Quantum Mechanics.Belfer Graduate School of Science,Yeshiva Univ.Press,1964.[2]L.Faddeev and R.Jackiw,Phys.Rev.Lett,60(1988)1692.[3]D.S.Kulshreshtha and H.J.W.M#252;ller-Kirsten,Phys.Rev.,D45(1992)R393.[4]P.P.Srivastava.Phys.Rev.Lett,63(1989)2791.[5]Y.G.Miao and Y.Y.Liu,Chines Phys.Lett.10(1993)5.[6]P.P.Srivastava,Phys.Lett,B234(1990)93.[7]S.Ghosh and P.Mitra,Phys.Rev.,D44(1991)1332.