🌐PolskiEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtEntityQ563109· pop 6NMFstrona ujednoznaczniająca WikipediiAvailable in 6 languagesFrançaisDeutschItalianoNederlandsNorwegianvia Wikidata sitelinks · CC0ConnectionsN-methylformamideEntitynon-negative matrix factorizationEntity