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Natural SciencesMathematicsSet TheoryCategory TheoryMetric GeometryModel TheorySeparation Axioms
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Abstract and Concrete Categories.
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Epireflections in the category of $T_0$-spaces
Louis H. Nel, R. Wilson · Fundamenta Mathematicae · 1972 · 53 citations · Full text
S. Baron · Canadian Mathematical Bulletin · 1968 · 45 citations · Full text