訂正日: 2006/08/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Right : [1] Fukami, T. and S. Ishihara, Almost Hermitian structure on S6, Tôhoku Math. J. 7 (1955), 151-156. [2] Tachibana, S., On almost-analytic vectors in almost-Kählerian manifolds, Tôhoku Math. J., 11 (1959) 247-265. [3] Tachibana, S., On almost-analytic vectors in certain almost-Hermitian manifolds, Tôhoku Math. J., 11 (1959), 351-363. [4] Tachibana, S., Analytic tensor and its generalization, Tôhoku Math. J., 12 (1960), 208-221. [5] Tachibana, S., On automorphisms of compact certain almost-Hermitian spaces, to appear in Tôhoku Math. J. [6] Yano, K. and S. Bochner., Curvature and Betti numbers, Ann. of Math. Studies, 32, 1953.