TY  - JOUR
TI  - Meetings of the Leningrad Mathematical Society
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1984
VL  - 39
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/RM_1984_39_1_a30/
LA  - ru
ID  - RM_1984_39_1_a30
ER  -