共 15 条
[1]
Arnold V.I., 1965, AM MATH SOC TRANSL, V46, P213, DOI 10.1090/trans2/046/11
[4]
GORMAN M, 1980, ANN NY ACAD SCI, V357, P10
[8]
HERMAN MR, 1976, THESIS U PARIS ORSAY
[9]
KANEKO K, 1984, PROG THEOR PHYS, V71, P1