1. Polaroids: A new tool in non-convex and in integer programming
2. “Convex and Polaroid Extensions,” WP 73-21, Faculty of Management Sciences, University of Ottawa (1973).
3. WP 74-8;Burdet,1974
4. “On Polaroid Intersections,” Mathematical Programming in Theory and Practice, and , eds., pp. 365–387 (North Holland, 1974).
5. The Facial Decomposition Method