TY  - JOUR
AU  - V. G. Kanovei
AU  - V. A. Lyubetskii
TI  - On some classical problems of descriptive set theory
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2003
SP  - 839
EP  - 927
VL  - 58
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2003_58_5_a0/
LA  - en
ID  - RM_2003_58_5_a0
ER  -