🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtTürkçeРусский한국어中文日本語EntityQ1317813· pop 15· linked from 5 articlesSchur's inequalityinequality in mathematicsConnectionsRomaniaCountrymathematicsEntityCategoriesInequalities (mathematics)Issai Schur