Journal of Mathematical Inequalities · Volume 8, Issue 1 Inequality chains for Wilker, Huygens and Lazarević type inequalities 08-02 Pages 55-67 DOI 10.7153/jmi-08-02 Downloads Short PDF Full PDF PNG Authors Chao-Ping Chen József Sándor Keywords inequalities trigonometric functions hyperbolic functions Subject classes 26D05 26D07