Volume 18, Issue 3 Yi Zhao Two trigonometric integral 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 Yi Zhao Find more articles with the same keywords sine integral trigonometric integral inequality mean value bounded variation Find more articles with the same subject classes 42A05 42A38