🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسیไทย한국어中文日本語EntityQ846862· pop 36· linked from 307 articlesHàm số tự nghịch đảoAlso known as involutory function, involutive function, self-inverse functionfunction that is its own inverseAvailable in 36 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBurmeseConnectionsparityEntitycomplex conjugateEntityCategoriesAlgebraic properties of elementsFunctions and mappings