共 9 条
[1]
Alves CO., 1998, Abstr. Appl. Anal, V3, P191, DOI [10.1155/S1085337598000517, DOI 10.1155/S1085337598000517]
[2]
ANANE A, 1987, CR ACAD SCI I-MATH, V305, P725
[3]
Benouhiba N., CLASS EIGENVAL UNPUB
[4]
Drabek P., 1997, COMMENT MATH U CAROL, V38, P421
[6]
Su JB, 1998, ACTA MATH SIN, V14, P411
[7]
Szulkin A, 1999, STUD MATH, V135, P191
[8]
To Fu Ma, 2002, Abstract and Applied Analysis, V7, P323, DOI 10.1155/S1085337502203073
[9]
Wu MZ, 2009, BOUND VALUE PROBL, DOI 10.1155/2009/185319