BianchiM,Schaible S.Generalized monotone bifunctions and equilibrium problems[J].JOptTheoryAppl,1996,90:31ˉ43.
[2]
FakharM,Schaible S.Generalized equilibrium problems for quasimonotone and pseudomonotone bifunctions[J].J OptTheory Appl,2004,123:349ˉ364.
[3]
HadjsavvasN,Schaible S.Quasimonotone variational inequalities in Banach spaces[J].JOptTheory Appl,1996,90:95ˉ111.
[4]
DaniilidisA,HadjisavvasN.Characterizations ofnonsmooth semistrictly quasiconvex and strictly quasiconvex functions[J].JOpt Theory Appl,1999,102:525ˉ536.