TY  - JOUR
AU  - S. R. Umarov
TI  - On the well-posedness of systems of pseudodifferential equations
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 835
EP  - 839
VL  - 318
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_318_4_a15/
LA  - ru
ID  - DAN_1991_318_4_a15
ER  -