TY  - JOUR
AU  - Ashok Maitra
TI  - Coanalytic sets that are not Blackwell spaces
JO  - Fundamenta Mathematicae
PY  - 1970
SP  - 251
EP  - 254
VL  - 67
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-67-2-251-254/
DO  - 10.4064/fm-67-2-251-254
LA  - en
ID  - 10_4064_fm_67_2_251_254
ER  -