共 10 条
[1]
Alekseevskii D.V., 1972, MATH USSR SB, V18, P285
[2]
Asuke T., 1998, HIROSHIMA MATH J, V28, P523, DOI [10.32917/hmj/1206126681, DOI 10.32917/HMJ/1206126681]
[3]
BESSE A, 1986, ERGEB MATH GRENZGEB, V10
[5]
FERRAND J, 1969, CR ACAD SCI PARIS A, V269, P583
[6]
GALLOT S, 1987, RIEMANNIAN GEOMETRY
[7]
KULKARNI S, 1988, ASPECTS MATH
[8]
Obata M., 1971, J DIFFER GEOM, V6, P247
[10]
Spivak M., 1979, COMPREHENSIVE INTRO, VV