1. M. Edelstein and A. C. Thompson, “Some results on nearest points and support properties of convex sets inc 0,”Pacific J. Math.,40, No. 3, 553–560 (1972).
2. S. Cobza§, “Convex antiproximinal sets in the spacesc 0 andc,”Mat. Zametki [Math. Notes],17, No. 3, 449–457 (1975).
3. S. Cobzaş, “Antiproximinal sets in some Banach spaces,”Math. Balkanica,4, 79–82 (1974).
4. S. Cobzaş, “Antiproximinal sets in Banach spaces of continuous function,”Revue d'Analyse Numérique et de la Théorie de l'Approximation,5, No. 2, 127–143 (1976).
5. S. Cobzaş, “Antiproximinal sets in Banach spaces ofc o-type,”Revue d'Analyse Numérique et de la Théorie de l'Approximation,7, No. 2, 141–145 (1978).