Journal of Mathematical Inequalities · Volume 12, Issue 2 Optimal bounds for the first Seiffert mean in terms of the convex combination of the logarithmic and Neuman-Sándor mean 12-27 Pages 365-377 DOI 10.7153/jmi-2018-12-27 Downloads Short PDF Full PDF PNG Authors Jian-Jun Lei Jing-Jing Chen Boyong Long Keywords the first Seiffert mean Neuman-Sándor mean logarithmic mean Subject classes 26E60