TY  - JOUR
AU  - V. G. Kanovei
TI  - On degrees of constructibility and descriptive properties of the set of real numbers in an initial model and in its extensions
JO  - Doklady Akademii Nauk
PY  - 1974
SP  - 728
EP  - 729
VL  - 216
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1974_216_4_a4/
LA  - ru
ID  - DAN_1974_216_4_a4
ER  -