Disjoint covering systems and product-invariant relations

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Disjoint covering systems and product-invariant relations. (English). Mathematica Slovaca, vol. 35 (1985), issue 3, pp. 233-237

MSC: 11A07, 11B99, 11U99 | MR 808357 | Zbl 0588.10065

References:

[1] ERDÖS P.: Egy kongгuenciaгendszeгekгőlszóló problemáról. Matematikai Lapok, 4, 1952, 122-128.

[2] KOREC I., ZNÁM Š.: On disjoint covering of gгoups by their cosets. Mathematica Slovaca 27, 1, 1977, 3-7. MR 0485421

[3] PORUBSKÝ Š.: Results and problem on covering systems of residue classes. Mitt. Math. Semin. Giessen, Heft 150, 1981, 1-85. MR 0638657

[4] ZNÁM Š.: A suгvey on covering systems of congгuences. Acta Mathematica Univ. Comen., 40-41, 1982, 59-79. MR 0686961

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