A single- and a multi-valued order on fuzzy numbers and its use in linear programming with fuzzy coefficients

Bortolan, 1985, A review some methods for ranking fuzzy subsets, Fuzzy Sets and Systems, 15, 1, 10.1016/0165-0114(85)90012-0 Dubois, 1983, Ranking fuzzy numbers in the setting of possibility theory, Inf. Sci., 30, 183, 10.1016/0020-0255(83)90025-7 Ramik, 1985, Inequality relation between fuzzy numbers and its use in fuzzy optimization, Fuzzy Sets and Systems, 16, 123, 10.1016/S0165-0114(85)80013-0 Ramik, 1991, Fuzzy preferences in linear programming, 49 Ramik, 1987, Fuzzy parameters in optimal allocation of resources, 359 Ramik, 1993, Canonical fuzzy numbers of dimension two, Fuzzy Sets and Systems, 54, 167, 10.1016/0165-0114(93)90274-L Rommelfanger, 1988 Rommelfanger, 1989, Inequality relations in fuzzy constraints and its use in linear fuzzy optimization, 195 Rommelfanger, 1991, FULP - A PC-supported procedure for solving multicriteria linear programming problems with fuzzy data, 154 Zimmermann, 1978, Fuzzy programming and LP with several objective functions, Fuzzy Sets and Systems, 1, 45, 10.1016/0165-0114(78)90031-3