%0 Journal Article
%A Sakai, Kazuhiro
%T On positively expansive differentiable maps
%J Mathematica slovaca
%D 1997
%P 479-482
%V 47
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1997__47_4_a9/
%G en
%F MASLO_1997__47_4_a9