1. Geometry and resolution of duality gaps
2. and , Nonlinear Programming: Sequential Unconstrained Minimization Techniques (John Wiley and Sons, Inc., 1968).
3. Applied Nonlinear Programming (McGraw-Hill Book Company, 1972).
4. “An Efficient Algorithm for Minimizing Barrier and Penalty Functions,” Mathematical Programming (1972), vol. 2.
5. Introduction to Linear and Nonlinear Programming (Addison-Wesley Publishing Company, 1973).