🌐EnglishEnglishEspañolFrançaisItalianoPortuguêsSvenskaTürkçeРусский한국어日本語EntityQ944228· pop 13· linked from 5 articlesHardy's inequalityinequality relating a real number greater than 1 and a sequence of non-negative numbersConnectionsmathematicsEntityInternational Standard Book NumberEntityCategoriesInequalities (mathematics)Theorems in real analysis