Volume 13, Issue 3 Chang-Jian Zhao Wing-Sum Cheung Reverse Hilbert type inequalities 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 Chang-Jian Zhao Wing-Sum Cheung Find more articles with the same keywords convex function concave function Jensen's inequality Hilbert's inequality Find more articles with the same subject classes 26D15