Perfect, Hazel Independence spaces and combinatorial problems. (English) Zbl 0176.28302 Proc. Lond. Math. Soc., III. Ser. 19, 17-30 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 15 Documents Keywords:combinatorics PDFBibTeX XMLCite \textit{H. Perfect}, Proc. Lond. Math. Soc. (3) 19, 17--30 (1969; Zbl 0176.28302) Full Text: DOI