%0 Journal Article
%A Mario Salvetti
%T On the number of non-equivalent differentiable structures on 4-Manifolds.
%J Manuscripta mathematica
%D 1989
%P 157-172
%V 63
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155374/
%F MM2_1989__63_3_155374