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 author={El-Atik, Abd. El-Fattah},
 title={Approximation of fractals by finite topological spaces},
 institution={Ernst-Moritz-Arndt-Universit\"at Greifswald},
 year={2001},
 type={Preprintreihe Mathematik},
 number={22}
}
@mastersthesis {abdel,
 author={El-Atik, Abd. El-Fattah},
 title={A study on some types of mappings on topological spaces}, 
 school={Tanta University},
 year={1997},
}
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 AUTHOR = {Alexandroff, P. S.},
 TITLE = {{D}iskrete {R}\"aume},
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 PAGES = {501--518},
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}
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 author={Arenas, Francisco G.},
 title={Some results on {A}lexandroff spaces},
 year={1997},
 institution={Topology Atlas},
 type={Preprint},
 note={{\tt http://at.yorku.ca/p/a/a/k/12.htm}},
}
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 AUTHOR = {Arenas, Francisco G. and Dontchev, Julian and Ganster,
 Maximilian},
 TITLE = {On some weaker forms of {A}lexandroff spaces},
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 MRNUMBER = {99b:54056},
}
@article {biswas,
 AUTHOR = {Biswas, Nanigopal},
 TITLE = {On some mappings in topological spaces},
 JOURNAL = {Bull. Calcutta Math. Soc.},
 VOLUME = {61},
 YEAR = {1969},
 PAGES = {127--135},
 MRCLASS = {54.60},
 MRNUMBER = {43 \#6886},
 MRREVIEWER = {S. K. Kaul},
}
@book {cain,
 AUTHOR = {Cain, George L.},
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 PUBLISHER = {Addison-Wesley Publishing Company Advanced Book Program},
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}
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 AUTHOR = {Cameron, Douglas E.},
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MRREVIEWER = {J. Mioduszewski},
}
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 AUTHOR = {Dunham, William},
 TITLE = {${T}\sb{1/2}$-spaces},
 JOURNAL = {Kyungpook Math. J.},
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 YEAR = {1977},
 NUMBER = {2},
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 MRCLASS = {54D10},
 MRNUMBER = {57 \#10677},
 MRREVIEWER = {M. A. Geraghty},
}
@book {eng,
 AUTHOR = {Engelking, Ryszard},
 TITLE = {General topology},
 PUBLISHER = {PWN---Polish Scientific Publishers},
 ADDRESS = {Warsaw},
 YEAR = {1977},
 PAGES = {626 pp. (errata insert)},
 MRCLASS = {54-02},
 MRNUMBER = {58 \#18316b},
 MRREVIEWER = {Eric K. van Douwen},
}
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 AUTHOR = {Flachsmeyer, J{\"u}rgen},
 TITLE = {Zur {S}pektralentwicklung topologischer {R}\"aume},
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 YEAR = {1961},
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 MRCLASS = {54.25},
 MRNUMBER = {26 \#735},
MRREVIEWER = {Carl W. Kohls},
}
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 author={Herman, G. T.},
 title={On topology as applied to image analysis}, 
 journal={Comp.Vision, Graphics Image Process.},
 volume={52},
 year={1990},
 pages={409--415},
}
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 AUTHOR = {Khalimsky, Efim and Kopperman, Ralph and Meyer, Paul R.},
 TITLE = {Computer graphics and connected topologies on finite ordered
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 VOLUME = {36},
 YEAR = {1990},
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 ISSN = {0166-8641},
 CODEN = {TIAPD9},
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 MRNUMBER = {92c:54037},
MRREVIEWER = {Jacek Nikiel},
}
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 AUTHOR = {Kong, T. Yung and Kopperman, Ralph and Meyer, Paul R.},
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 VOLUME = {98},
 YEAR = {1991},
 NUMBER = {10},
 PAGES = {901--917},
 ISSN = {0002-9890},
 CODEN = {AMMYAE},
 MRCLASS = {68U10 (54G99)},
 MRNUMBER = {93b:68092},
MRREVIEWER = {E. H. Kronheimer},
}
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 author={Kovalevsky, V.A.},
 title={Finite topology as applied to image analysis}, 
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 volume={46},
 year={1989},
 pages={141- 161},
}
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 AUTHOR = {Kuratowski, K.},
 TITLE = {Topology. {V}ol. {I}},
 PUBLISHER = {Academic Press},
 ADDRESS = {New York},
 YEAR = {1966},
 PAGES = {xx+560},
 MRCLASS = {54.00},
 MRNUMBER = {36 \#840},
 MRREVIEWER = {F. Burton Jones},
}
@article {levine1,
 AUTHOR = {Levine, Norman},
 TITLE = {A decomposition of continuity in topological spaces},
 JOURNAL = {Amer. Math. Monthly},
 VOLUME = {68},
 YEAR = {1961},
 PAGES = {44--46},
 MRCLASS = {54.60},
 MRNUMBER = {23 \#A3548},
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}
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 AUTHOR = {Levine, Norman},
 TITLE = {Generalized closed sets in topology},
 JOURNAL = {Rend. Circ. Mat. Palermo (2)},
 VOLUME = {19},
 YEAR = {1970},
 PAGES = {89--96},
 MRCLASS = {54D10},
 MRNUMBER = {46 \#4471},
 MRREVIEWER = {C. E. Aull},
}
@article {levine3,
 AUTHOR = {Levine, Norman},
 TITLE = {Semi-open sets and semi-continuity in topological spaces},
 JOURNAL = {Amer. Math. Monthly},
 VOLUME = {70},
 YEAR = {1963},
 PAGES = {36--41},
 MRCLASS = {54.60},
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 MRREVIEWER = {F. Burton Jones},
}
@techreport {lot,
 author={Lotz, L.},
 title={{E}ndliche {T}opologische {R}\"{a}ume}, 
 institution={Greifswald, Germany},
 year={1970},
 note={Diplomarbeit},
}
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 AUTHOR = {Mashhour, A. S. and Abd El-Monsef, M. E. and El-Deep, S. N.},
 TITLE = {On precontinuous and weak precontinuous mappings},
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 NUMBER = {53},
 YEAR = {1982},
 PAGES = {47--53 (1983)},
 ISSN = {1110-0613},
 CODEN = {PMPEAW},
 MRCLASS = {54A05 (54C10)},
 MRNUMBER = {87c:54002},
 MRREVIEWER = {C. W. Patty},
}
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 author={Raisinghania, M. D. and Aggarwal, R. S.}, 
 title={Topology},
 address={New Delhi},
 year={1987},
}
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 AUTHOR = {Rinow, W.},
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 NOTE = {Hochschulb\"ucher f\"ur Mathematik, Band 79},
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 ADDRESS = {Berlin},
 YEAR = {1975},
 PAGES = {724},
 MRCLASS = {54-02 (55-01)},
 MRNUMBER = {58 \#24157},
 MRREVIEWER = {A. V. Ostrovskii},
}
@book {steen,
 AUTHOR = {Steen, Lynn Arthur and Seebach, Jr., J. Arthur},
 TITLE = {Counterexamples in topology},
 EDITION = {Second},
 PUBLISHER = {Springer-Verlag},
 ADDRESS = {New York},
 YEAR = {1978},
 PAGES = {xi+244},
 ISBN = {0-387-90312-7},
 MRCLASS = {54-01},
 MRNUMBER = {80a:54001},
}
@article {ston,
 AUTHOR = {Stong, R. E.},
 TITLE = {Finite topological spaces},
 JOURNAL = {Trans. Amer. Math. Soc.},
 VOLUME = {123},
 YEAR = {1966},
 PAGES = {325--340},
 MRCLASS = {54.10},
 MRNUMBER = {33 \#3247},
 MRREVIEWER = {E. Nunnally},
}