TY  - JOUR
TI  - Meetings of the Leningrad Mathematical Society
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1985
VL  - 40
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/RM_1985_40_2_a29/
LA  - ru
ID  - RM_1985_40_2_a29
ER  -