%0 Journal Article
%A T. Nowicki
%A S. van Strien
%T Absolutely continuous invariant measures for C2 unimodal maps satisfying the Collet-Eckmann conditions.
%J Inventiones mathematicae
%D 1988
%P 619-636
%V 93
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1988__93_2_143611/
%F IM_1988__93_2_143611