Order · 1992 · 15 citations · 3 references
Natural SciencesMathematicsCombinatoricsSet TheoryCombinatorial EnumerationEnumerative CombinatoricsPartial OrdersBijective EnumerationEnumeration By BijectionOrder-preserving Maps
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Note on a “Square” Functional Equation
R. G. Stanton, D. D. Cowan · SIAM Review · 1970 · 54 citations
The number of order-preserving maps of fences and crowns
James D. Currie, Terry I. Visentin · Order · 1991 · 20 citations · Full text