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Schwarz, Štefan
A counting theorem in the semigroup of circulant Boolean matrices. (English). Czechoslovak Mathematical Journal, vol. 27 (1977), issue 3, pp. 504-510
MSC: 20M10 | MR 0457603 | Zbl 0382.15010 | DOI: 10.21136/CMJ.1977.101485
References:
[1] K. K.-Hang Butler, J. R. Krabill: Abelian subsemigroups, enumeration and universal matrices. Duke Math. J. 40 (1973), 587-598. DOI 10.1215/S0012-7094-73-04052-0 | MR 0318375 | Zbl 0273.20045
[2] K. K.-Hang Butler, J. R. Krabill: Circulant Boolean relation matrices. Czechoslovak Math. J. 24 (99) (1974), 247-251. MR 0348017 | Zbl 0329.20049
[3] K. K.-Hang Butler, Š. Schwarz: The semigroup of circulant Boolean matrices. Czechoslovak Math. J. 26 (101), (1976), 632-635. MR 0430121 | Zbl 0347.20037
[4] Š. Schwarz: Circulant Boolean relation matrices. Czechoslovak Math. J. 24 (99) (1974), 252-253. MR 0348018 | Zbl 0315.15011
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