1 Y.Y. Yao, "Two views of the theory of rough sets in finite universes" (15) : 291-317, 1996
2 D.S. Malik, "On subsystems of a fuzzy finite state machine" (68) : 83-92, 1994
3 A.K. Srivastava, "On relationships among fuzzy approxi-mation operators, fuzzy topology, and fuzzy automata" (138) : 197-204, 2003
4 L. Zhou, "On intuitionistic fuzzy rough sets and their topological structures. DOI 10.1080/03081070802187723"
5 Z. Zhou, "On generalized intuitionistic fuzzy rough approximation operators" (178) : 2448-2465, 2008
6 K. Atanassov, "Intuitionistic fuzzy sets" (20) : 87-96, 1986
7 Y.B. Jun, "Intuitionistic fuzzy finite state machines" (17) : 109-120, 2005
8 A.K. Srivastava, "IF-topologies and IF-automata" DOI 10.1007/s00500-009-0427-z
9 R. Lowen, "Fuzzy topological spaces and fuzzy compactness" (56) : 621-633, 1976
10 C.L. Chang, "Fuzzy topological spaces" (24) : 182-189, 1968
1 Y.Y. Yao, "Two views of the theory of rough sets in finite universes" (15) : 291-317, 1996
2 D.S. Malik, "On subsystems of a fuzzy finite state machine" (68) : 83-92, 1994
3 A.K. Srivastava, "On relationships among fuzzy approxi-mation operators, fuzzy topology, and fuzzy automata" (138) : 197-204, 2003
4 L. Zhou, "On intuitionistic fuzzy rough sets and their topological structures. DOI 10.1080/03081070802187723"
5 Z. Zhou, "On generalized intuitionistic fuzzy rough approximation operators" (178) : 2448-2465, 2008
6 K. Atanassov, "Intuitionistic fuzzy sets" (20) : 87-96, 1986
7 Y.B. Jun, "Intuitionistic fuzzy finite state machines" (17) : 109-120, 2005
8 A.K. Srivastava, "IF-topologies and IF-automata" DOI 10.1007/s00500-009-0427-z
9 R. Lowen, "Fuzzy topological spaces and fuzzy compactness" (56) : 621-633, 1976
10 C.L. Chang, "Fuzzy topological spaces" (24) : 182-189, 1968
11 D. Coker, "An introduction to intuitionistic fuzzy topological spaces" (88) : 81-89, 1997
12 J.N. Mordeson, "Algebraic properties of rough set theory" (99) : 56-59,
13 A.K. Srivastava, "A topology for fuzzy automata. in: Proc. 2002 AFSS Internat. Conf. on Fuzzy Systems" (2275) : 485-490, 2002
14 P. Das, "A fuzzy topology associated with a fuzzy finite state machine" (105) : 469-479, 1999