@article{articled031aa71,
title   = {Some corrections of the score test statistic for Gaussian ARMA models},
author = {lagos, Bernardo M. and Morettin, Pedro Alberto and Barroso, Lucia Pereira},
year = {2010},
doi = {10.1214/09-BJPS023},
publisher = {IMS},
journal   = {Brazilian Journal of Probability and Statistics}
}