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zbMath0469.05015MaRDI QIDQ3922692

Alan Hartman

Publication date: 1981

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Steiner quadruple systems singular direct product

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Steiner systems in finite geometry (51E10) Ternary systems (heaps, semiheaps, heapoids, etc.) (20N10)

Related Items (1)

A general recursive construction for quadruple systems

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