Volume 10, Issue 2 Hidefumi Katsuura Samih Obaid Inequalities involving trigonometric and hyperbolic functions 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 Hidefumi Katsuura Samih Obaid Find more articles with the same keywords Price's inequality trigonometric hyperbolic inequalities Find more articles with the same subject classes 26D05