🌐EnglishEnglishDeutschEspañolNederlandsPortuguêsРусскийالعربية中文日本語EntityQ495412· pop 7· linked from 27 articlesSchoenflies problemproblem in geometric topologyAvailable in 7 languagesEspañolDeutschРусскийCatalanFinnishNederlandsvia Wikidata sitelinks · CC0ConnectionsmathematicsEntityInternational Standard Book NumberEntityCategoriesDiffeomorphismsDifferential topologyGeometric topologyHomeomorphismsMathematical problemsTheorems in topology