1. Arrow, K. J., Hurwicz, L., andUzawa, H.,Studies in Linear and Nonlinear Programming, Stanford University Press, Stanford, California, 1958.
2. Dacunha, N. O., andPolak, E.,Constrained Minimization under Vector-Valued Criteria in Finite-Dimensional Spaces, Journal of Mathematical Analysis and Applications, Vol. 10, pp. 103?124, 1967.
3. Kuhn, H. W., andTucker, A. W.,Nonlinear Programming, Proceedings of the Second Berkeley Symposium on Mathematical Statistics and Probability, Berkeley, California, pp. 416?427, 1950.
4. Tanino, T., andSawaraki, Y.,Duality Theory in Multiobjective Programming, Journal of Optimization Theory and Applications, Vol. 27, pp. 509?529, 1979.
5. Schechter, M.,More on Subgradient Duality, Journal of Mathematical Analysis and Applications, Vol. 71, pp. 251?262, 1979.