1. Decision making in a fuzzy environment;Bellman;Management Sci.,1970
2. CPLEX Optimization Inc., Using the CPLEX callable library, 1994.
3. Nervousness in inventory management: comparison of basic control rules;De Kok;European J. Oper. Res.,1997
4. M. Delgado, J. Kacprzyk, J.L. Verdegay, M.A. Vila (Eds.), Fuzzy Optimization: Recent Advances, Physica Verlag, Heidelberg, 1994.
5. A general model for fuzzy linear programming;Delgado;Fuzzy Sets and Systems,1989