Journal of Mathematical Inequalities · Volume 7, Issue 4 Estimates for Neuman-Sándor mean by power means and their relative errors 07-65 Pages 711-726 DOI 10.7153/jmi-07-65 Downloads Short PDF Full PDF PNG Authors Zhen-Hang Yang Keywords Neuman-Sandor mean power mean Lehmer mean inequality relative error Subject classes 26E60 26D05