共 61 条
[2]
ADLER RL, 1970, MEM AM MATH SOC, V98, P1
[3]
BENETTIN G, 1978, CR ACAD SCI A MATH, V286, P431
[4]
Benettin G., 1980, MECCANICA, V15, P21, DOI [10.1007/BF02128237, DOI 10.1007/BF02128237]
[6]
BOYARSKY M, 1980, T AM MATH SOC, V257, P350
[7]
COLLET P, 1983, UNPUB COMM MATH PHYS

