TY  - JOUR
AU  - M. F. Atiyah
AU  - I. M. Singer
TI  - The index of elliptic operators. I
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1968
VL  - 23
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/RM_1968_23_5_a6/
LA  - ru
ID  - RM_1968_23_5_a6
ER  -