TY  - JOUR
AU  - B. Rao
TI  - Non-existence of certain Borel structures
JO  - Fundamenta Mathematicae
PY  - 1970
SP  - 241
EP  - 242
VL  - 69
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-69-3-241-242/
DO  - 10.4064/fm-69-3-241-242
LA  - fr
ID  - 10_4064_fm_69_3_241_242
ER  -