🌐EnglishEnglishFrançaisPortuguêsSvenskaРусский日本語EntityQ6421354· pop 5· linked from 12 articlesKloosterman sumparticular kind of exponential sumAvailable in 5 languagesFrançaisРусскийSvenskaUkrainianvia Wikidata sitelinks · CC0Connectionsmodular formEntitymathematicsEntityCategoriesAnalytic number theory