@inproceedings{inproceedings2ba52a30, title = {On residual variance estimation in arma models}, author = {Morettin, Pedro Alberto and Toloi, Clelia Maria de Castro and Mentz, Raul Pedro}, year = {1993}, publisher = {IME-USP}, booktitle = {Clapem: Congresso Latino-Americano de Probabilidade e Estatistica Matematica} }