TY  - JOUR
AU  - R. Willmott
TI  - Some relations between k-analytic sets and generalized Borel sets
JO  - Fundamenta Mathematicae
PY  - 1971
SP  - 263
EP  - 271
VL  - 71
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-71-3-263-271/
DO  - 10.4064/fm-71-3-263-271
LA  - en
ID  - 10_4064_fm_71_3_263_271
ER  -