Home›Browse›Tensore di Bach🌐ItalianoEnglishFrançaisItalianoPortuguêsРусскийEntityQ4454675· pop 5· linked from 5 articlesTensore di BachSign in to savetrace-free tensor of rank 2 which is conformally invariant in four dimensionsAvailable in 5 languagesРусскийPortuguêsItalianoUkrainianvia Wikidata sitelinks · CC0