共 31 条
[2]
Agarwal Ravil P, 2000, DIFFERENCE EQUATIONS
[3]
Agarwal RP, 2004, NONLINEAR ANAL-THEOR, V58, P69, DOI 10.1016/j.na.2004.11.012
[6]
Ambrosetti A., 1973, Journal of Functional Analysis, V14, P349, DOI 10.1016/0022-1236(73)90051-7
[7]
Bereanu C, 2006, MATH BOHEM, V131, P145
[10]
Bonanno G., PREPRINT