共 11 条
- [3] STRUCTURE OF COMPLETE MANIFOLDS OF NONNEGATIVE CURVATURE [J]. ANNALS OF MATHEMATICS, 1972, 96 (03) : 413 - 443
- [4] Cheeger J., 1972, J DIFFERENTIAL GEOM, V6, P119, DOI DOI 10.4310/JDG/1214430220
- [6] HEINTZE E, 1978, ANN SCI ECOLE NORM S, V11, P451
- [7] Ichida R., 1981, YOKOHAMA MATH J, V29, P169
- [8] KASUE A, 1982, J MATH, V8
- [9] STERNBERG S, 1965, LECTURES DIFFERENTIA
- [10] ELEMENTARY METHOD IN THE STUDY OF NONNEGATIVE CURVATURE [J]. ACTA MATHEMATICA, 1979, 142 (1-2) : 57 - 78