%0 Journal Article %A S.J. van Strien %T Normalhyperbolicity and linearisability. %J Inventiones mathematicae %D 1987 %P 377-384 %V 87 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1987__87_143425/ %F IM_1987__87_143425