共 9 条
[1]
CHOW S, UNPUBLISHED
[5]
Hale J., 1971, APPL MATH SCI, V3
[6]
Hale J., 1977, APPL MATH SCI, V3
[7]
Nussbaum R. D., 1974, ANN MAT PUR APPL, V4, P263
[9]
WALTHER HO, 1977, THESIS MUNCHEN