1. H. Attouch and H. Brezis, “Duality for the sum of convex functions in general Banach spaces,” in: J.A. Barroso, ed.,Aspects of Mathematics and its Applications (Elsevier Science Publishers B.V., Amsterdam, 1986) pp. 125–133.
2. A. Ben-Israel, A. Ben-Tal and S. Zlobec,Optimality in Nonlinear Programming: A Feasible Directions Approach (Wiley, New York, 1981).
3. J.M. Borwein, V. Jeyakumar, A. Lewis and H. Wolkowicz, “Constrained approximation via convex programming,” Preprint, University of Waterloo (Waterloo, Ont., 1988).
4. J.M. Borwein and A.S. Lewis, “Partially finite convex programming,” Research Report, Dalhousie University (Halifax, NS, 1987).
5. J.M. Borwein and H. Wolkowicz, “A simple constraint qualification in infinite dimensional programming,”Mathematical Programming 35 (1986) 83–96.