1. L. A. Zadeh, “Fuzzy sets,” Inform. and Control, 8, 338–353 (1965).
2. V. V. Podinovskii and V. D. Nogin, Pareto-Optimal Solutions of Multicriteria Problems [in Russian], Nauka, Moscow (1982).
3. I. V. Sergienko and V. P. Shilo, Discrete Optimization Problems: Challenges, Solution Techniques, and Investigations [in Russian], Naukova Dumka, Kyiv (2003).
4. N. V. Semenova and L. N. Kolechkina, Vector Discrete Optimization Problems Over Combinatorial Sets: Methods of the Analysis and Solution, [in Ukrainian], Naukova Dumka, Kyiv (2009).
5. T. T. Lebedeva, N. V. Semenova, and T. I. Sergienko, “Optimality and solvability conditions in linear vector optimization problems with convex feasible sets,” Dop. NAN Ukrainy, No. 10, 80–85 (2003).