Pacific Journal of Mathematics · 1958 · 126 citations · 21 references
Natural SciencesComputer ScienceMathematicsCombinatoricsSet TheoryTopologyCovering SpacesPartially Ordered SetsTopological CombinatoricsGeometric CoversSet Cover ProblemSet Covering Problem
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Minimal coverings of pairs by triples
Gustav A. Hedlund · Pacific Journal of Mathematics · 1958 · 126 citations · Full text
Glen Baxter · Pacific Journal of Mathematics · 1958 · 80 citations · Full text