An identity in combinatorial extremal theory

Combinatorics of Finite Sets.

Daniel J. Kleitman, Ian Anderson · American Mathematical Monthly · 1989 · 478 citations

Natural Sciences, Mathematics, Combinatorics +11

On generalized graphs

B. Bollobás · Acta Mathematica Academiae Scientiarum Hungaricae · 1965 · 392 citations

Proof techniques in the theory of finite sets

Curtis Greene, Daniel J. Kleitman · 1978 · 190 citations

Natural Sciences, Computer Science, Mathematics +14

Logarithmic order of free distributive lattice

Kōichi Yamamoto · Journal of the Mathematical Society of Japan · 1954 · 180 citations

Natural Sciences, Computer Science, Mathematics +13

Generalization of Sperner’s Theorem on the Number of Subsets of a Finite Set

L. D. Meshalkin · Theory of Probability and Its Applications · 1963 · 139 citations

Natural Sciences, Mathematics, Set Theory +5