TY  - JOUR
TI  - Meetings of the Moscow Mathematical Society
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1996
SP  - 1233
EP  - 1236
VL  - 51
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1996_51_6_a24/
LA  - en
ID  - RM_1996_51_6_a24
ER  -