TY  - JOUR
AU  - A. S. Popeluhin
TI  - On the local nonsolvability of a class of pseudodifferential operators with multiple bicharacteristics
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1990
SP  - 61
EP  - 64
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a13/
LA  - ru
ID  - VMUMM_1990_2_a13
ER  -