@article{article89a3156a,
title   = {A note on bias of closed-form estimators for the gamma distribution derived from likelihood equations},
author = {Louzada, Francisco and Ramos, Pedro Luiz and Ramos, Eduardo},
year = {2019},
doi = {10.1080/00031305.2018.1513376},
journal   = {American Statistician}
}