1. Espaces topologiques: Fonctions multivoques;Berge,1959
2. Human environment as a local public good;Shaked,1978
3. On balanced sets and cores;Shapley;Nav. Res. Long. R.,1967
4. On balanced games without side payments;Shapley,1972
5. A pure theory of local expenditures;Tiebout;Journal of Political Economy,1956