Journal of Mathematical Inequalities · Volume 7, Issue 4 Optimal inequalities between Neuman-Sándor, centroidal and harmonic means 07-56 Pages 593-600 DOI 10.7153/jmi-07-56 Downloads Short PDF Full PDF PNG Authors Wei-Feng Xia Yuming Chu Keywords Neuman-Sándor mean centroidal mean harmonic mean inequalities Subject classes 26D15 26E60