TY  - JOUR
AU  - Gramchev, Todor
AU  - Rodino, Luigi
TI  - Gevrey solvability for semilinear partial differential equations with multiple characteristics
JO  - Bollettino della Unione matematica italiana
PY  - 1999
SP  - 65
EP  - 120
VL  - 2B
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BUMI_1999_8_2B_1_a2/
LA  - en
ID  - BUMI_1999_8_2B_1_a2
ER  -