共 12 条
[1]
ANOSOV DV, 1969, P STEKLOV I MATH, V90
[2]
BHATIA NP, 1967, DYNAMICAL SYSTEMS ST, V35, P122
[3]
Busemann H., 1955, GEOMETRY GEODESICS
[4]
EBERLEIN P, TO BE PUBLISHED
[5]
GOTTSCHALK W, 1955, AM MATH SOC COLLOQ, V36, P114
[7]
Hedlund G. A., 1939, B AM MATH SOC, V45, P241, DOI 10.1090/S0002-9904-1939-06945-0
[9]
KLINGENBERG W, 1970, RIEMANNIAN MANIFOLDS
[10]
LEHNER J, 1964, AM MATH SOC PROVIDEN