共 14 条
[2]
COOKE KL, PREPRINT
[3]
COOKE KL, UNPUBLISHED
[6]
HALE J, 1971, APPLIED MATH SCI, V3
[7]
HALE JK, 1977, APPLIED MATH SCI, V3
[8]
Krasnoselskii M.A., 1964, POSITIVE SOLUTIONS O
[9]
Krein M.G., 1962, T AM MATH SOC, V10, P199