Home›Browse›birational invariant🌐EnglishEnglishEspañolPortuguês한국어日本語EntityQ4915614· pop 5· linked from 7 articlesbirational invariantSign in to saveWikidata factsSubclass ofinvariantvia Wikidata · CC0Available in 5 languages日本語PortuguêsRomanian한국어via Wikidata sitelinks · CC0