TY  - JOUR
AU  - Zofia Adamowicz
TI  - A generalization of Shoenfield theorem on $(Σ^1)_2$ sets
JO  - Fundamenta Mathematicae
PY  - 1984
SP  - 81
EP  - 90
VL  - 123
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-123-2-81-90/
DO  - 10.4064/fm-123-2-81-90
LA  - en
ID  - 10_4064_fm_123_2_81_90
ER  -