Home›Browse›strong perfect graph theorem🌐EnglishEnglishFrançaisРусский中文EntityQ16680059· pop 5· linked from 30 articlesstrong perfect graph theoremSign in to saveperfect graphs have neither odd holes nor odd antiholesAvailable in 5 languagesFrançaisРусскийCzechUkrainianvia Wikidata sitelinks · CC0