Volume 23, Issue 1 Sourav Das Anbhu Swaminathan A harmonic mean inequality for the polygamma function 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 Sourav Das Anbhu Swaminathan Find more articles with the same keywords polygamma function harmonic mean inequalities monotonicity properties Find more articles with the same subject classes 33B15 39B62 26D07