1. A branch and bound algorithm for the bilevel programming problem;Bard;SIAM Journal of Science and Statistical Computation,1990
2. On bilevel programming, Part I: General nonlinear cases;Falk;Mathematical Programming,1995
3. Topological Stability of Smooth Mappings;Gibson,1976
4. R. Hamming, On the bilevel programming problem, Thesis in the Faculty of Mathematics, University of Twente, 1998
5. Semi-infinite programming: Conditions of optimality and applications;Hettich,1978