Mathematical Inequalities & Applications · Volume 23, Issue 1 Optimal bounds of the arithmetic mean in terms of new Seiffert-like means 23-30 Pages 383-392 DOI 10.7153/mia-2020-23-30 Downloads Short PDF Full PDF PNG Authors Monika Nowicka Alfred Witkowski Keywords sine mean tangent mean Seiffert function hyperbolic sine mean hyperbolic tangent mean Subject classes 26D15