共 20 条
[1]
[Anonymous], 1923, MATH ANAL RAUMPROBLE
[3]
Blaschke W., 1923, VORLESUNGEN DIFFEREN, VII
[4]
BUSEMANN H, 1942, ANN MATH STUDIES, V8
[6]
Cartan E., 1928, LECONS GEOMETRIE ESP
[7]
DETILLY M, 1870, MEMOIRES ACAD ROYALE, V21
[8]
DETILLY M, 1878, MEMOIRES SOC SCI BOR, V1
[9]
Enriques Federigo, 1907, ENCY MATH WISSENSCHA, V3.1
[10]
HADAMARD J, 1898, J MATH PURE APPL, V4, P27