共 12 条
[1]
BIANCHI L, DIFFERENTIALGEOMETRI, P154
[2]
Bliss GA, 1906, T AM MATH SOC, V7, P184
[3]
CARATHEODORY, 1904, MATH ANN, V62, P457
[4]
CARATHEODORY, 1904, THESIS GOTTINGEN, P69
[5]
DARBOUX G, 1894, LECONS THEORIE GEN S, P104
[6]
ENGEL F, 1901, MITTEILUNG BER MP, V1
[7]
HADAMARD J, 1898, LIOUVILLES J, V4, P27
[8]
HADAMARD J, 1897, LIOUVILLES J, V3, P331
[9]
SCHLESINGER L, ARCH MATH PHYS 5, V3
[10]
VONMANGOLDT H, 1881, CRELLES J, V91, P23