🌐EnglishEnglishEspañolFrançaisItalianoNederlandsPortuguêsفارسی中文日本語EntityQ3984053· pop 9· linked from 69 articlesFourier inversion theoremmathematical theorem on recovering a function from its Fourier transformAvailable in 9 languagesEspañolFrançaisPortuguêsItalianoEstoniansimpleUkrainianفارسیvia Wikidata sitelinks · CC0Connectionsalmost everywhereEntitymathematicsEntityCategoriesGeneralized functionsSchwartz distributionsTheorems in Fourier analysis