Elgot, Calvin C.; Wright, Jesse B. Series-parallel graphs and lattices. (English) Zbl 0086.16303 Duke Math. J. 26, 325-338 (1959). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:topology PDFBibTeX XMLCite \textit{C. C. Elgot} and \textit{J. B. Wright}, Duke Math. J. 26, 325--338 (1959; Zbl 0086.16303) Full Text: DOI