🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtРусскийالعربية한국어中文日本語EntityQ1419948· pop 21· linked from 57 articlesexponential integralspecial function defined by an integralAvailable in 20 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanConnectionsbranch pointEntityDigital Library of Mathematical FunctionsEntityCategoriesExponentialsIntegralsSpecial functionsSpecial hypergeometric functions