1. The support functionals of a convex set;Bishop, Errett,1963
2. Conjugate convex functions in topological vector spaces;Brøndsted, Arne;Mat.-Fys. Medd. Danske Vid. Selsk.,1964
3. On a question of Bishop and Phelps;Klee, Victor;Amer. J. Math.,1963
4. Extremal structure of convex sets. II;Klee, V. L., Jr.;Math. Z.,1958
5. Jean-Jacques Moreau, Etude locale d’une fonctionelle convexe, Faculté des Sciences de Montpellier, Séminaires de Mathématiques, 1963.