Journal of Mathematical Inequalities · Volume 12, Issue 3 On generalization of D'Aurizio-Sándor inequalities involving a parameter 12-63 Pages 853-860 DOI 10.7153/jmi-2018-12-63 Downloads Short PDF Full PDF PNG Authors Li-Chang Hung Pei-Ying Li Keywords inequalities trigonometric functions monotonicity Subject classes 26D15 26D99