共 8 条
[3]
Dunford N., 1958, LINEAR OPERATORS
[6]
Habets P., 1996, TOPOL METHOD NONL AN, V8, P25
[7]
Hartman P., 1982, Ordinary differential equations, V2
[8]
MAWHIN J, 1979, CBMS REG C SER MATH, V40