Mathematical Inequalities & Applications · Volume 18, Issue 1 Complete monotonicity properties and asymptotic expansions of the logarithm of the gamma function 18-27 Pages 379-388 DOI 10.7153/mia-18-27 Downloads Short PDF Full PDF PNG Authors Chao-Ping Chen Jing-Yun Liu Keywords gamma function digamma function polygamma functions completely monotonic functions asymptotic expansion Subject classes 33B15 26A48 41A60