Perfecte graaf (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Perfecte graaf" in Dutch language version.

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doi.org

Maria Chudnovsky, Neil Robertson, Paul Seymour en Robin Thomas. The strong perfect graph theorem, 2006. in Annals of Mathematics, 164, blz 51–229, DOI:10.4007/annals.2006.164.51
L Lovász. A Characterization of Perfect Graphs, 1972. Journal of Combinatorial Theory, Series B, 1972. 13, blz 95-98, DOI:10.1016/0095-8956(72)90045-7