Volume 19, Issue 2 Taichi Kusama Yusuke Nishizawa Yugo Suzuki Taiyo Yuasa Sharp Ramanujan type inequalities with 1/(x+c) 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 Taichi Kusama Yusuke Nishizawa Yugo Suzuki Taiyo Yuasa Find more articles with the same keywords Ramanujan's inequality best possible constant monotonically decreasing functions monotonically increasing functions Find more articles with the same subject classes 26D15 26A48 26A60