共 7 条
[1]
BLAIR DE, 1983, UNPUB CHARACTERISATI
[2]
CHEN BY, 1981, J REINE ANGEW MATH, V325, P28
[3]
KOBAYASHI S, 1969, F DIFFERENTIAL GEOME, V2
[4]
KOBAYASHI S, 1969, F DIFFERENTIAL GEOME, V1
[5]
PAPANTONIOU BJ, 1983, UNPUB JACOBI FIELDS
[6]
Vanhecke L., 1979, Proceedings of the Royal Society of Edinburgh, Section A (Mathematical and Physical Sciences), V82, P233, DOI 10.1017/S0308210500011215
[7]
Wolf J.A., 1967, SPACES CONSTANT CURV