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Leutola, K. ; Nieminen, J.
Relations, coverings, hypergraphs and matroids. (English). Czechoslovak Mathematical Journal, vol. 33 (1983), issue 4, pp. 509-518
MSC: 05A05, 05B35, 05C65, 08A30 | MR 721080 | Zbl 0539.08002 | DOI: 10.21136/CMJ.1983.101906
References:
[1] Aigner M.: Kombinatorik II. Matroide und Transversaltheorie. Springer-Verlag, Berlin-Heidelberg-New York, 1976. MR 0460127
[2] Berge C.: Graphs and hypergraphs. North Nolland, Amsterdam-London, 1976. MR 0384579 | Zbl 0391.05028
[3] Chajda I., Niederle J., Zelinka В.: On existence conditions of compatible relations. Czech. Math. J., 26, 1976, 304-311. MR 0401561
[4] Chajda I.: Partitions, coverings and blocks of compatible relations. Glasnik Mat., 14, 1979, 21-26. MR 0544058 | Zbl 0402.08001
[5] Leutola K., Nieminen J.: Binary relations, flou relations and application. Control and Cybernetics, 9, 1980, 155-162. MR 0641603 | Zbl 0457.04002
[6] Pogonowski J.: Tolerance spaces with applications to linguistics. UAM Press, Poznań, to appear.
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