共 58 条
[2]
ALEXANDER JM, UNPUBLISHED
[3]
AMANN H, UNPUBLISHED
[4]
Ambrosetti A., 1973, Journal of Functional Analysis, V14, P349, DOI 10.1016/0022-1236(73)90051-7
[5]
Ambrosetti A., 1979, NONLINEAR ANAL, V3, P635
[7]
BENCI V, 1980, COMMUN PUR APPL MATH, V33, P147, DOI 10.1002/cpa.3160330204
[8]
BENCI V, 1980, CRITICAL POINT THEOR
[9]
BERGER MS, 1978, NONLINEARITY FUNCTIO
[10]
Borisovich Y. G., 1977, RUSS MATH SURV+, V32, P1, DOI 10.1070/RM1977v032n04ABEH001638