Volume 14, Issue 1 Monika Nowicka Alfred Witkowski Optimal bounds for the tangent and hyperbolic sine means II 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 Monika Nowicka Alfred Witkowski Find more articles with the same keywords hyperbolic sine mean tangent mean Seiffert function Find more articles with the same subject classes 26D15