TY  - JOUR
AU  - Wojciech Guzicki
TI  - On weaker forms of choice in second order arithmetic
JO  - Fundamenta Mathematicae
PY  - 1976
SP  - 131
EP  - 144
VL  - 93
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-93-2-131-144/
DO  - 10.4064/fm-93-2-131-144
LA  - en
ID  - 10_4064_fm_93_2_131_144
ER  -