TY  - JOUR
AU  - E. Perez
TI  - Long Time Approximations for Solution of Evolution Equations from Quasimodes: Perturbation Problems
JO  - Mathematica balkanica
PY  - 2011
SP  - 95
VL  - 25
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a6/
ID  - MABA_2011_25_1-2_a6
ER  -