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2 Z. M. Ma, "Topological and lattice structures of L-fuzzy rough set determined by lower and upper sets" 218 : 194-204, 2013
3 H. Zhou, "Stone duality for R0-algebras with internal states" 14 : 139-161, 2017
4 Z. Pawlak, "Rough sets: Theoretical Aspects of Reasoning about Data, System Theory, Knowledge Engineering and Problem Solving" Kluwer Academic Publishers 1991
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8 N. Galatos, "Residuated frames with applications to decidability" 365 : 1219-1249, 2013
9 Y. C. Kim, "Join-meet preserving maps and fuzzy preorders" 28 : 1089-1097, 2015
10 H. Lai, "Fuzzy preorder and fuzzy topology" 157 : 1865-1885, 2006
1 E. Or lowska, "Transactions on Rough Sets IX" Springer 212-229, 2008
2 Z. M. Ma, "Topological and lattice structures of L-fuzzy rough set determined by lower and upper sets" 218 : 194-204, 2013
3 H. Zhou, "Stone duality for R0-algebras with internal states" 14 : 139-161, 2017
4 Z. Pawlak, "Rough sets: Theoretical Aspects of Reasoning about Data, System Theory, Knowledge Engineering and Problem Solving" Kluwer Academic Publishers 1991
5 Z. Pawlak, "Rough sets" 11 : 341-356, 1982
6 T.S. Blyth, "Residuation Theory" Pergamon Press 1972
7 M. Ward, "Residuated lattices" 45 : 335-354, 1939
8 N. Galatos, "Residuated frames with applications to decidability" 365 : 1219-1249, 2013
9 Y. C. Kim, "Join-meet preserving maps and fuzzy preorders" 28 : 1089-1097, 2015
10 H. Lai, "Fuzzy preorder and fuzzy topology" 157 : 1865-1885, 2006
11 H. P. Zhang, "Fuzzy betweenness relations and their con-nection with fuzzy order relations" 384 : 1-12, 2020
12 R. Belohlavek, "Fuzzy Relational Systems" Kluwer Academic Publishers 2002
13 N. Galatos, "Distributive residuated frames and generalized bunched implication algebras" 78 : 303-336, 2017
14 Y.C. Kim, "Categories of fuzzy preorders, approximation operators and Alexandrov topolo-gies" 31 : 1787-1793, 2016
15 R. Ciro, "An extension of Stone duality to fuzzy topologies and MV-algebras" 303 : 80-96, 2016
16 Y. H. She, "An axiomatic approach of fuzzy rough sets based on residuated lattices" 58 : 189-201, 2009
17 E. Or lowska, "Algebras for Galois-style connections and their discrete duality" 161 : 1325-1342, 2010
18 A.M. Radzikowska, "A comparative study of fuzy rough sets" 126 : 137-155, 2002
19 Y. Wei, "A Stone-type duality for L-stratified Alexandrov L-topological spaces" 282 : 1-20, 2016