@article{iiasa13631,
          volume = {55},
          number = {3},
           month = {December},
           title = {Approximate saddle-point theorems in vector optimization},
         journal = {Journal of Optimization Theory and Applications},
             doi = {10.1007/BF00941179},
           pages = {435--448},
            year = {1987},
        keywords = {Convex optimization problems, approximate nondominated solutions, saddle points, primal-dual pairs of solutions},
             url = {https://pure.iiasa.ac.at/id/eprint/13631/},
            issn = {0022-3239},
        abstract = {The paper contains definitions of different types of nondominated approximate solutions to vector optimization problems and gives some of their elementary properties. Then, saddle-point theorems corresponding to these solutions are presented with an application relative to approximate primal-dual pairs of solutions.},
          author = {Valyi, I.}
}