Mathematical Inequalities & Applications · Volume 24, Issue 1 Proofs of conjectures of Elezović and Vukšić concerning the inequalities for means 24-01 Pages 1-11 DOI 10.7153/mia-2021-24-01 Downloads Short PDF Full PDF PNG Authors Xue-Feng Han Chao-Ping Chen Keywords Neuman-Sándor mean inequality optimal convex combination Subject classes 26E60