共 5 条
- [1] ARNOLD VI, 1990, GRADUATE TEXTS MATH, V60
- [2] Cartan E., 1927, ANN SOC POL MATH, V6, P1
- [3] Cartan E., 1927, B SOC MATH FRANCE, V55, P114
- [4] SOLITON EQUATIONS AND PSEUDOSPHERICAL SURFACES [J]. NUCLEAR PHYSICS B, 1979, 154 (02) : 343 - 357