1. The simple plant location problem;Krarup;European Journal of Operational Research,1983
2. Discrete location problems and polynomials of Boolean variables;Beresnev,2005
3. The theory of the market economy;Stackelberg,1952
4. Foundations of bilevel programming;Dempe,2002
5. A facility location problem with client's preference orderings;Hanjoul;Regional Science and Urban Economics,1987