共 11 条
[1]
Bavinck H., 1974, International Journal of Non-Linear Mechanics, V9, P421, DOI 10.1016/0020-7462(74)90008-0
[2]
FLAHERTY JE, 1978, STUD APPL MATH, V18, P5
[4]
GRASMAN J, 1978, N HOLLAND MATH STUDI, V31, P93
[5]
GUCKENHEIMER J, SYMBOLIC DYNAMICS RE
[6]
LEVI M, 1978, THESIS NEW YORK U NE
[9]
LITTLEWOOD JE, 1963, VANDERPOLS EQUATION, P161
[10]
LLOYD NG, 1972, PROC CAMB PHILOS S-M, V72, P213