TY  - JOUR
AU  - S. R. Umarov
TI  - An algebra of pseudodifferential operators with variable analytic symbols and the well-posedness of the corresponding equations
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 1056
EP  - 1063
VL  - 27
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_6_a18/
LA  - ru
ID  - DE_1991_27_6_a18
ER  -