• [1]

    E. Witten, Nucl. Phys., B202(1982), 253.[2] E. Witten, J. Diff. Geom., 17(1982), 667.[3] E. Witten, Holomorphic morse inequalities, Priceton Preprint (1982).[4] L. Alvarez-Gzmme, Commun. Math. Phys., 90(1983), 161.[5] P. Windey, CERN Preprint TH3758(1983).[6] E. Getzler, Commun. Mazh. Phys., 92(1983), 163.[7] I. M. Bismat, Orsay Preprint (1983).[8] B. Zumino, LBL Preprint 17972(1982).[9] E. Witten, Phys. Rev., D16(1977), 2991.[10] P. Divecchia and S. Ferrara, Nucl. Phys., B130(1977), 93.[11] D. 2. Freedman and P. K. Townsend, Nucl. Phys., B177(1981), 282.[12] M. F. Atiyah and R. Bott, Diff. Analysis (Bombay Colloquium), Oxford, London (1964).[13] P. B. Gilkey, Adv. Math., 15(1975), 334.[14] S. Cecotti and L. Girardello, Phys. Lett., B110(1982), 39.[15] S. S. Chern, Ann. Math., 46(1942), 46.