共 22 条
- [2] Andreotti A., 1962, B SOC MATH FRANCE, V90, P193
- [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] ELENCWAJG G, 1976, ANN I FOURIER GRENOB, V25, P295
- [8] Greene R. E., 1978, ABH MATH SEM HAMBURG, V47, P171