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] D. E. Blair and G. D. Ludden, On intrinsic structures similar to those induced on S2n, Kodai Math. Sem. Rep., 23 (1971), 262-266. [2] D. E. Blair, G. D. Ludden and K. Yano, Induced structure on submanifolds, Kodai Math. Sem. Rep., 22 (1970), 188-198. [3] D. E. Blair, G. D. Ludden and K. Yano, Hypersurfaces of odd-dimensional spheres, J. Differential Geometry, 5 (1971), 479-486. [4] M. Okumura, Certain almost contact hypersurfaces in Euclidean spaces, Kodai Math. Sem. Rep., 16 (1964), 44-55. [5] M. Okumura, Certain hypersurfaces of an odd dimensional sphere, Tôhoku Math. J., 19 (1967), 381-395. [6] M. Okumura, A certain submanifold of codimension 2 of an even-dimensional Euclidean space, Differential Geometry, in honor of K. Yano, Kinokuniya, Tokyo, 1972, 373-383. [7] S. Yamaguchi, On hypersurfaces in Sasakian manifolds, Kodai Math. Sem. Rep., 21 (1969), 64-72. [8] K. Yano and M. Okumura, On (f, g, u, v, λ)-structures, Kodai Math. Sem. Rep., 22 (1970), 401-423.