TY  - JOUR
TI  - Meetings of the Moscow Mathematical Society
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1988
VL  - 43
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/RM_1988_43_3_a23/
LA  - ru
ID  - RM_1988_43_3_a23
ER  -