%0 Journal Article
%A Piotr Fijałkowski
%T On the equation x''(t) = F(t, x(t)) in the Sobolev space $H^1(R)$
%J Annales Polonici Mathematici
%D 1991
%P 29-34
%V 53
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-53-1-29-34/
%R 10.4064/ap-53-1-29-34
%G en
%F 10_4064_ap_53_1_29_34