Hell, Pavol; Nešetřil, Jaroslav Graphs and k-societies. (English) Zbl 0209.32201 Can. Math. Bull. 13, 375-381 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 25 Documents MSC: 05C99 Graph theory 18B99 Special categories PDFBibTeX XMLCite \textit{P. Hell} and \textit{J. Nešetřil}, Can. Math. Bull. 13, 375--381 (1970; Zbl 0209.32201) Full Text: DOI