Gilmore, P. C.; Hoffman, A. J. A characterization of comparability graphs and of interval graphs. (English) Zbl 0121.26003 Can. J. Math. 16, 539-548 (1964). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 243 Documents Keywords:combinatorics PDF BibTeX XML Cite \textit{P. C. Gilmore} and \textit{A. J. Hoffman}, Can. J. Math. 16, 539--548 (1964; Zbl 0121.26003) Full Text: DOI OpenURL