%0 Journal Article %A B. Abraham %A W.W.S. Wei %T Inferences about the Parameters of a Time Series Model with Changing Variance. %J Metrika %D 1984 %P 183-194 %V 31 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1984__31_175948/ %F MET_1984__31_175948