No Recursively Enumerable Set is the Union of Finitely Many Immune Retraceable Sets
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Publication:5573962
DOI10.2307/2035279zbMath0183.01402OpenAlexW4244502738MaRDI QIDQ5573962
Publication date: 1967
Full work available at URL: https://doi.org/10.2307/2035279
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