[1]Anandalingam G, Friesz T L. Hierarchical Optimization. Anals of Operations Research, 1992.34

[2]Bard J F. Optimality conditions for the bilevel programming problem. Naval Research Logistics Quarterly, 1984, 31: 13-26

[3]Clarke P, Westerberg A. A note on optimality conditions for the bilevel programming problem. Naval Research Logistics Quarterly, 1988, 35: 413-418

[4]Dempe S. A necessary and sufficient optimality condition for bilevel programming problems. Optimization, 1992, 25: 341-354

[5]Savard G, Gauvin J. The steepest descent direction for the nonlinear bilevel programming problem. Operations Research Letters, 1994, 15: 265-272

[6]Vicente L N, Calamai P H. Geometry and local optimality conditions for bilevel programs with quadratic strictly convex lower levels, minimax and applications. In: Dordrecht M H, ed. Nonconvex Optimization and Its Applications. Dordrecht,  Holland：Kluwer Academic Publishers, 1995,373-386

[7]Chadli O, Chbani Z, Riahi H. Equilibrium problems with generalized monotone bifunctions and applications to variational inequalities. Journal of Optimization Theory and Applications, 2000, 105 : 299-323

[8]Ansari Q H, Lin Y C, Yao J C. General KKT theorem with applications to minimax and variational inequalities. Journal of Optimization Theory and Applications, 2000, 104: 41-57

[9]Klatte Diethard. Upper Lipschitz behavior of solutions to perturbed C^1,1 programs. Mathematical Programming, Series B, 2000, 88: 285-311

[10]Clarke F H. Optimization and Nonsmooth Analysis. New York: Wiley,  1983, 73-84

[11]Fan K. A generalization of Tychonoff's fixedpoint theorem. Mathematish e Annalen, 1961, 142: 305-310

[12]Kassay G, Kolumban J. Multivalued parametric variational inequalities with αpseudomonotone maps. Journal of Optimization Theory and Applications, 2000, 107: 35-50

[13]Berge C. Espaces Topologiques: Functions Maltivoques.Paris:Dunod,  1959.109-122