🌐EnglishEnglishDeutschFrançaisPolskiPortuguêsTürkçeРусскийفارسی한국어中文日本語EntityQ2226822· pop 10· linked from 23 articlesVizing's theoremtheorem in graph coloringAvailable in 10 languagesFrançaisDeutsch中文РусскийHungarianPolskiUkrainianفارسی한국어via Wikidata sitelinks · CC0ConnectionsJournal of Combinatorial TheoryEntityInternational Standard Book NumberEntityCategoriesGraph coloringTheorems in graph theory