1. Bazaraa, M.S., and C.M. Shetty: Nonlinear Programming. New York: John Wiley, 1979.
2. Ben-Tal, A., A. Ben-Israel, and E. Rosinger: A Helly-type theorem and semi-infinite programming. Constructive Approaches to Mathematical Models. New York: Academic Press (1979), 127–135.
3. Ben-Tal, A., M. Teboulle, and J. Zowe: Second order necessary optimality conditions for semi-infinite programming problems. Semi-Infinite Programming (edited by R. Hettich). Springer-Verlag, 1979.
4. Blair, C.E.: A note on infinite systems of linear inequalities in Rn. J. Math. Anal. and Appl. 48(1) (1974), 150–154.
5. Blair, C.E.: A survey of ascent ray results and their applications. This Proceedings.