TY  - JOUR
AU  - Tri, N.M.
TI  - On local properties of some classes of infinitely degenerate elliptic differential operators.
JO  - Rendiconti del seminario matematico
PY  - 2001
SP  - 277
EP  - 288
VL  - 59
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RSM_2001__59_4_125134/
LA  - en
ID  - RSM_2001__59_4_125134
ER  -