TY  - JOUR
AU  - Marek Balcerzak
TI  - Generalized projections of Borel and analytic sets
JO  - Colloquium Mathematicum
PY  - 1996
SP  - 47
EP  - 53
VL  - 71
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-71-1-47-53/
DO  - 10.4064/cm-71-1-47-53
LA  - en
ID  - 10_4064_cm_71_1_47_53
ER  -