Horst Alzer, Arcadii Z. Grinshpan. Inequalities for the gamma and q-gamma functions. Journal of Approximation Theory, 144(1):67-83, 2007. [doi]
@article{AlzerG07,
title = {Inequalities for the gamma and q-gamma functions},
author = {Horst Alzer and Arcadii Z. Grinshpan},
year = {2007},
doi = {10.1016/j.jat.2006.04.008},
url = {http://dx.doi.org/10.1016/j.jat.2006.04.008},
researchr = {https://researchr.org/publication/AlzerG07},
cites = {0},
citedby = {0},
journal = {Journal of Approximation Theory},
volume = {144},
number = {1},
pages = {67-83},
}