Internal coverings of sets by asymmetric relations
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Publication:2554697
DOI10.1016/0095-8956(73)90002-6zbMath0244.05003OpenAlexW1989734659MaRDI QIDQ2554697
Publication date: 1973
Published in: Journal of Combinatorial Theory. Series B (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/0095-8956(73)90002-6
Permutations, words, matrices (05A05) Directed graphs (digraphs), tournaments (05C20) Combinatorial aspects of packing and covering (05B40)
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