訂正日: 2006/09/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Right : [1] B. -Y. Chen and K. Yano, Pseudo-umbilical submanifolds of a Riemannian manifold of constant curvature, Differential Geometry, in honor of K. Yano, Tokyo, 1972, 61-71. [2] B. -Y. Chen, On an inequality of mean curvature, J. London Math. Soc., 4 (1971/1972), 647-650. [3] S. S. Chern and R. K. Lashof, On the total curvature of immersed manifolds, II, Michigan Math. J., 5 (1958), 5-12. [4] E. de Giorgi, Una estensione del teorema di Bernstein, Ann. Scuola Norm. Sup. Pisa, Scienza Fis. Mat. III, 19 (1965), 79-85. [5] K. Nomizu and B. Smyth, On the Gauss mapping for hypersurfaces of constant mean curvature in the sphere, Comm. Math. Helv., 44 (1969), 484-490.
