scientific article
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zbMath0657.68112MaRDI QIDQ3805968
Publication date: 1987
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
complexityfunctional dependenciesrelation schememinimal keysantikeysprime attribute problemSperner-system
Analysis of algorithms and problem complexity (68Q25) Permutations, words, matrices (05A05) Information storage and retrieval of data (68P20)
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