🌐EnglishEnglishEspañolPortuguês한국어日本語EntityQ5462744· pop 5· linked from 19 articlesfluid solutionclass of exact solutions to Einstein's field equationsAvailable in 5 languagesEspañolPortuguêsCatalanEstonianvia Wikidata sitelinks · CC0Connectionsphysical cosmologyEntityEinstein field equationsEntityCategoriesExact solutions in general relativity