共 26 条
[1]
Al'ber (Alber) S. I., 1970, USP MAT NAUK, V25, p[57, 51]
[2]
ANOSOV DV, 1980, IZVESTIJA AKAD NAUK, V44, P1219
[4]
Ballmann W, 1978, BONNER MATH SCHRIFTE, V102, P1
[5]
Berger M., 1961, COMMENT MATH HELV, V35, P28
[6]
Besse A., 1978, ERGEBNISSE MATH IHRE, V93
[7]
Birkhoff G., 1927, AM MATH SOC C PUBLIC, V9
[8]
CHEEGER J, 1980, J DIFFER GEOM, V15, P437
[9]
Cheeger J., 1975, COMP THEOREMS RIEMAN
[10]
CROKE C, 1982, POINCARES PROBLEM LE