Tadeusz Antczak, SADDLE POINT CRITERIA AND THE EXACT MINIMAX PENALTY FUNCTION METHOD IN NONCONVEX PROGRAMMING, Taiwanese Journal of Mathematics, Vol. 17, No. 2 (April 2013), pp. 559-581 ...

C. C. Huang, W. T. Ziemba, A. Ben-Tal, Bounds on the Expectation of a Convex Function of a Random Variable: With Applications to Stochastic Programming, Operations ...