Annals of the New York Academy of Sciences · 1993 · 34 citations · 26 references
Natural SciencesComputer ScienceMathematicsCombinatoricsDiscrete MathematicsTheory Of ComputationAlgebraic CombinatoricsCombinatorial EnumerationCombinatorial Number TheoryCombinatorial Set TheoryEnumerative CombinatoricsCounting Subsets By Inclusion-exclusion
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Stéphane Crépey, Olivier Guéant, David Hobson et al. · HAL (Le Centre pour la Communication Scientifique Directe) · 2011 · 10.2K citations
Gian‐Carlo Rota · Advances in Mathematics · 1990 · 328 citations
Partitioning pairs of countable ordinals
Stevo Todorčević · Acta Mathematica · 1987 · 247 citations · Full text
J. L. Kelley · Pacific Journal of Mathematics · 1959 · 210 citations · Full text