Handbook of mathematical functions: with formulas, graphs, and mathematical tables, 1965. ,
Inequalities for the gamma and polygamma functions, Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, vol.68, issue.1, pp.363-372, 1998. ,
Mean-value inequalities for the polygamma functions, Aequationes Mathematicae, pp.151-161, 2001. ,
Statistical Theory of Reliability and Life Testing: Probability Models, 1975. ,
Some new inequalities for gamma and polygamma functions, Journal of Inequalities in Pure and Applied Mathematics, vol.6, issue.4, pp.1-9, 2005. ,
On the Hurwitz zeta-function, The Rocky Mountain Journal of Mathematics, vol.2, issue.1, pp.151-157, 1972. ,
, Sharp inequalities for polygamma functions, vol.65, pp.103-120, 2015.
Generalized exponential distributions, Australian & New Zealand Journal of Statistics, vol.41, issue.2, pp.173-188, 1999. ,
A Hilbert Integral Inequality with Hurwitz Zeta Function, Journal of Mathematical Inequalities, vol.7, issue.3, pp.377-387, 2013. ,
The beta exponential distribution. Reliability engineering & system safety, vol.91, pp.689-697, 2006. ,
Complete monotonicity of some functions involving polygamma functions, Journal of Computational and Applied Mathematics, vol.233, issue.9, pp.2149-2160, 2010. ,