TY - JOUR AU - Arosio, Alberto TI - Abstract linear hyperbolic equations and asymptotic equivalence as $t\rightarrow +\infty $ JO - Portugaliae mathematica PY - 1982 SP - 351 EP - 366 VL - 41 IS - 1-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115508/ LA - en ID - PORMA_1982__41_1-4_115508 ER -