%0 Journal Article
%A Haraux, A.
%A Yan, Q.
%T On a class of second order ODE with a typical degenerate nonlinearity.
%J Portugaliae mathematica
%D 2001
%P 233-254
%V 58
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_2001__58_2_49223/
%G en
%F PORMA_2001__58_2_49223