🌐EnglishEnglishFrançaisPortuguêsTiếng ViệtРусскийفارسی日本語EntityQ18881735· pop 8· linked from 3 articlesCramer-Castillon's problemWikidata factsImageCramer-Castillon Problem.pngvia Wikidata · CC0Available in 7 languagesFrançais日本語CatalanTiếng Việtzh_yueفارسیvia Wikidata sitelinks · CC0ConnectionsgeometryEntityInternational Standard Book NumberEntityCategoriesGeometryMathematical problems