Curvature and topology of Riemannian manifolds : proceedings of the 17th International Taniguchi Symposium held in Katata, Japan, Aug. 26-31, 1985
Curvature and topology of Riemannian manifolds : proceedings of the 17th International Taniguchi Symposium held in Katata, Japan, Aug. 26-31, 19851986-01-01