Journal of Mathematical Inequalities · Volume 13, Issue 2 Generalizations and refinements of Stečkin-type inequality for tangent and secant functions 13-34 Pages 505-526 DOI 10.7153/jmi-2019-13-34 Downloads Short PDF Full PDF PNG Authors Chao-Ping Chen Neven Elezović Keywords trigonometric function inequalities Subject classes 26D05