1. Integer programming and convex analysis: Intersection cuts from outer polars
2. “Nonconvex Quadratic Programming.”;Balas,1972
3. Balas, E. (August 27-31, 1973) “On the Use of Intersection Cuts in Branch and Bound.” Paper presented at the 8th International Symposium on Mathematical Programming, Stanford, California.
4. “Intersection Cuts from Disjunctive Constraints.”;Balas,1974