Volume 14, Issue 3 Akira Yamada Saitoh's inequality and Opial's inequality Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Akira Yamada Find more articles with the same keywords reproducing kernel Opial's inequality geometrically convex Find more articles with the same subject classes 26D10