TY  - JOUR
AU  - A. V. Marchenko
TI  - The index of boundary value problems for degenerating elliptic operators
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1971
VL  - 26
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1971_26_6_a10/
LA  - ru
ID  - RM_1971_26_6_a10
ER  -