Mathematical Inequalities & Applications · Volume 18, Issue 1 Asymptotic expansions of integral mean of polygamma functions 18-19 Pages 255-266 DOI 10.7153/mia-18-19 Downloads Short PDF Full PDF PNG Authors Chao-Ping Chen Neven Elezović Lenka Vukšić Keywords gamma function psi function polygamma functions Bernoulli numbers and polynomials asymptotic expansion Subject classes 33B15 41A60