Volume 7, Issue 4 Zhen-Hang Yang Estimates for Neuman-Sándor mean by power means and their relative errors 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 Zhen-Hang Yang Find more articles with the same keywords Neuman-Sándor mean Power mean Lehmer mean inequality relative error Find more articles with the same subject classes 26E60 26D05