1[1]Aubin J P,Ekeland I.Applied Nonlinear Analysis[M].John wiley and Sons,New York,1984.
2[2]Dontchev A L,Zolezzi T.Well-Posed Optimization Problems[M].Springer-Verlag,Berlin,1993.
3[3]Klein E,Thompson A.Theory of Correspondences[M].Wiley,New York,1984.
4[4]Lucchett R,Kevalski J.Recent Developments in Well-Posed Variational Problems[M].Dordrecht:Kluwer Academic Publishers,1995.
5[5]Tan K K,Yu J and Yuan X Z.The stability of coincident points for multivalued mappings[J].Nonlinear Analysis,Theory,Methodes and Applications,1995,25:163-168.
6[6]Yu J,Essential weak efficient solution in multiobjective optimization problems[J].J.Math.Anal.Appl.,1992,166:230-235.