Volume 11, Issue 4 Ling Zhu A general form of Jordan's inequalities and its applications 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 Ling Zhu Find more articles with the same keywords lower and upper bounds Jordan's inequalities spherical Bessel functions infinite series Kober's double inequality Find more articles with the same subject classes 26E60 26D07 33C10