共 19 条
[3]
COPPEL WA, 1971, LECTURE NOTES MATH, V220
[4]
Eloe P.W., 1989, APPL ANAL, V34, P25
[6]
SIGN PROPERTIES OF GREENS-FUNCTIONS FOR 2 CLASSES OF BOUNDARY-VALUE-PROBLEMS
[J].
CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES,
1987, 30 (01)
:28-35
[8]
Hankerson D., 1990, APPL ANAL, V39, P193
[9]
Hartman P., 2002, ORDINARY DIFFERENTIA, V2