TY  - JOUR
AU  - L. V. Hörmander
TI  - On the index of pseudodifferential operators
JO  - Matematika
PY  - 1970
SP  - 78
EP  - 97
VL  - 14
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAT_1970_14_4_a2/
LA  - ru
ID  - MAT_1970_14_4_a2
ER  -