TY  - JOUR
AU  - P. Colli
AU  - José-Francisco Rodriques
TI  - Hyperbolic Perturbation Problems Involving Time Derivatives on the Boundars.
JO  - Forum mathematicum
PY  - 1991
SP  - 205
EP  - 218
VL  - 3
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186390/
ID  - FORUM_1991__3_2_186390
ER  -