Bonnet, R. On the cardinality of the set of initial intervals of a partially ordered set. (English) Zbl 0321.06003 Infinite finite Sets, Colloq. Honour Paul Erdös, Keszthely 1973, Colloq. Math. Soc. Janos Bolyai 10, 189-198 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 4 Documents MSC: 06A06 Partial orders, general PDFBibTeX XML