共 6 条
[1]
GIBBONS J, UNPUB PHYSICA D
[2]
GUILLEMIN V, 1980, ANN PHYS, V127, P226
[3]
HOLM DD, UNPUB PHYSICA D
[4]
HOLM DD, UNPUB J MATH PHYS
[5]
KUPERSHMIDT B, UNPUB 1981 RUTG P DU