@article{article53000560,
title   = {A new lifetime model with variable shapes for the hazard rate},
author = {Afify, Ahmed Z and Cordeiro, Gauss Moutinho and Butt, Nadeem Shafique and Ortega, Edwin Moisés Marcos and Suzuki, Adriano Kamimura},
year = {2017},
doi = {10.1214/16-BJPS322},
journal   = {Brazilian Journal of Probability and Statistics}
}