%0 Journal Article %A S.M. Pergamentshikov %A A.N. Shiryaev %T On reparametrization and asymptotically optimal minimax estimation in a generalized autoregressive model %J Annales Fennici Mathematici %D 1992 %P 111-116 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1992.1714/ %R 10.5186/aasfm.1992.1714 %G en %F AFM_1992_17_1_a13