🌐EnglishEnglishDeutschPortuguês中文日本語EntityQ888122· pop 6· linked from 46 articlessingular integralintegral operator whose kernel is singular along the diagonalAvailable in 5 languagesDeutsch中文PortuguêsCatalanvia Wikidata sitelinks · CC0ConnectionsParisEntityLondonCityCategoriesHarmonic analysisReal analysisSingular integrals