scientific article

zbMath0566.05020MaRDI QIDQ3680848

I. N. Chukhrov

Publication date: 1983

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

zbMATH Keywords

extremal coverings of a finite n-element set by subsets

Mathematics Subject Classification ID

Permutations, words, matrices (05A05) Combinatorial aspects of packing and covering (05B40)

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