2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124213In this paper we first take a detail survey of the study of the Banach-Saks property of Banach spaces and then show the Banach-Saks property of the product spaces generated by a finite number of Banach spaces having the Banach-Saks property. A more general inequality for integrals of a class of composite functions is also given by using this property.6Functional Analysis46B20, 40H05, 40G05, 47F05text