%0 Journal Article
%A P. Colli
%A José-Francisco Rodriques
%T Hyperbolic Perturbation Problems Involving Time Derivatives on the Boundars.
%J Forum mathematicum
%D 1991
%P 205-218
%V 3
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186390/
%F FORUM_1991__3_2_186390