Takashi Sakai

• Curvature and Topology of Riemannian Manifolds: Proceedings of the 17th International Taniguchi Symposium held in Katata, Japan, August 26-31, 1985 (Lecture Notes in Mathematics)
• Curvature and Topology of Riemannian Manifolds
• Differential Geometry and Global Analysis
• Kita Shina jōsei to saikin no jitsujō
• Terekomu shinjidai no tsushin media riyo zen-gaido