TY  - JOUR
AU  - M. I. Vishik
AU  - V. V. Grushin
TI  - Elliptic pseudodifferential operators on a closed manifold which are degenerate on a submanifold
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 16
EP  - 19
VL  - 189
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_189_1_a2/
LA  - ru
ID  - DAN_1969_189_1_a2
ER  -