\bibitem{Adamek:ACC}
J. Ad\'amek, H. Herrlich and G. E. Strecker, {\it Abstract and concrete categories}, New York, Chichester, Brisbane, Toronto, Singapore:
John Wiley \& Sons, Inc., 1990.
\bibitem{Brown:DTSIS}
L. M. Brown and M. Diker, {\it Ditopological texture spaces and intuitionistic sets}, Fuzzy Sets and Systems,
{\bf 98} (1998), 217-224.
\bibitem{Brown:FSTS}
L. M. Brown and R. Ert\"urk, {\it Fuzzy sets as texture spaces, I. Representation theorems}, Fuzzy Sets and Systems,
{\bf 110} (2000), 227-236.
\bibitem{Brown:DTSFT-GC}
L. M. Brown, R. Ert\"urk and \d{S}. Dost, {\it Ditopological texture spaces and fuzzy topology, I. Basic Concepts},
Fuzzy Sets and Systems, {\bf 147} (2004), 171-199.
\bibitem{Brown:DTSFT-TC} L. M. Brown, R. Ert\"urk and \d{S}. Dost, {\it Ditopological texture spaces and fuzzy topology, II. Topological
Considerations}, Fuzzy Sets and Systems, {\bf 147} (2004), 201--231.
%\end{thebibliography}
%\end{document}
\bibitem{Brown:BDOSRDT} L. M. Brown and A. Irkad,
{\it Binary di-operations and spaces of real difunctions on a texture}, Hacettepe Journal of Mathematics and Statistics,
{\bf 37} (2008), 25-39.
\bibitem{Chang:FTS}
C. L. Chang, {\it Fuzzy topological spaces}, Journal of Mathematical Analysis and Applications, {\bf 24} (1968), 182-190.
\bibitem{Demirci:TC-S}
M. Demirci, {\it Textures and C-spaces}, Fuzzy Sets and Systems, {\bf 158} (2007), 1237-1245.
\bibitem{Gierz:CCL}
G. Gierz, K. H. Hofmann, K. Keimel, J. D. Lawson, M. Mislove and D. S. Scott, {\it A compendium of continuous
lattices}, Berlin: Springer, 1980.
\bibitem{Goguen:FTT}
J. A. Goguen, {\it The fuzzy Tychonoff theorem}, Journal of Mathematical Analysis and Applications, {\bf 18} (1973), 734-742.
\bibitem{Hutton:PFTS}
B. Hutton, {\it Products of fuzzy topological spaces}, Topology and Applications, {\bf 11} (1980), 59-67.
\bibitem{Hohle:USFSA}
U. H\"ohle, {\it Upper semicontinuous fuzzy sets and applications}, Journal of Mathematical Analysis and Applications,
{\bf 78} (1980), 659-673.
\bibitem{Kubiak:FT}
T. Kubiak, {\it On fuzzy topologies}, Ph.\,D. Thesis, Adam Mickiewicz Univ., Pozna\'{n}, Poland, 1985.
\bibitem{Kubiak:FCM-VL-TS}
T. Kubiak and A. \v{S}ostak, {\it A fuzzification of the category of $M$-valued $L$-topological spaces}, Applied General
Topology, {\bf 5} (2004), 137--154.
\bibitem{Ozcag:D-UHU}
S. \"Ozca{g}, L. M. Brown and B. Krsteska, {\it Di-uniformities and Hutton uniformities}, Fuzzy Sets and
Systems, {\bf 195} (2012), 58-74.
\bibitem{Rodabaugh:CAVNFT}
S. E. Rodabaugh, {\it A categorical accommodation of various notions of fuzzy topology}, Fuzzy Sets and Systems, {\bf 9} (1983),
241-265.
\bibitem{Rodabaugh:CFV-BFT}
S. E. Rodabaugh, {\it Categorical foundations of variable-basis fuzzy topology}, Mathematics of
Fuzzy Sets: Logic, Topology and Measure Theory, U. H\"ohle, S.E. Rodabaugh eds. The Handbook of Fuzzy Sets Series,
Boston, Dordrecht, London: Kluwer Academic Publ., {\bf 3} (1999), 273-389.
\bibitem{Rodabaugh:POFPFSTT}
S. E. Rodabaugh, {\it Powerset operator foundations for poslat fuzzy set theories and topology},
Mathematics of Fuzzy Sets: Logic, Topology and Measure Theory, U. H\"ohle, S.E. Rodabaugh eds. The Handbook of Fuzzy Sets Series,
Boston, Dordrecht, London: Kluwer Academic Publ., {\bf 3} (1999), 91-116.
\bibitem{Sostak:FTS}
A. \v{S}ostak, {\it On a fuzzy topological structure}, Suppl. Rend. Circ. Matem. Palermo, Ser II, {\bf 11} (1985), 89-103.
\bibitem{Sostak:TDFT-BINR}
A. \v{S}ostak, {\it Two decades of fuzzy topology: basic ideas, notions and results}, Russian Mathematical Surveys, {\bf 44}\textbf{{6}} (1989),
125-186.
\bibitem{Sostak:AOAS}
A. \v{S}ostak, {\it On approximation operators and approximative systems}, Proceedings of the Congress of the International Fuzzy
Systems Association, Lisbon, Portugale, (2009), 1061-1066.
\bibitem{Sostak:TTM-AS}
A. \v{S}ostak, {\it Towards the theory of M-approximative systems: Fundamentals and examples}, Fuzzy Sets and
Systems, {\bf 161} (2010), 2440-2461.
\bibitem{Sostak:TTAS-VRC}
A. \v{S}ostak, {\it Towards the theory of approximate systems: variable range categories},
Proceedings of the International Conference on Topology and Applications (ICTA2011), Islamabad, Pakistan: Cambridge University Publ., (2012),
265-284.
\bibitem{Tiryaki:FSOP}
I. U. Tiryaki, {\it Fuzzy sets over the poset $\bI$}, Hacettepe Journal of Mathematics and Statistics, {\bf 37} (2008), 143-166.
\bibitem{Tiryaki:PDTS}
I. U. Tiryaki and L. M. Brown, {\it Plain ditopological texture spaces}, Topology and its Applications, {\bf 158}\textbf{(15)} (2010), 2005-2015.
\bibitem{Yildiz:ERDAHS}
F. Yildiz and L. M. Brown, {\it Extended real dicompactness and an application to Hutton spaces}, Fuzzy Sets and
Systems, {\bf 227} (2013), 74-95.
\bibitem{Ying:NAFT}
M. S. Ying, {\it A new approach to fuzzy topology, Part I}, Fuzzy Sets and Systems, {\bf 39} (1991), 303-321.