TY  - JOUR
AU  - Yu. V. Egorov
TI  - Sufficient conditions for the local solvability of pseudodifferential equations of principal type
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1974
SP  - 59
EP  - 83
VL  - 31
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1974_31_a3/
LA  - ru
ID  - MMO_1974_31_a3
ER  -