TY  - JOUR
AU  - George Boolos
TI  - Provability in arithmetic and a schema of Grzegorczyk
JO  - Fundamenta Mathematicae
PY  - 1980
SP  - 41
EP  - 45
VL  - 106
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-106-1-41-45/
DO  - 10.4064/fm-106-1-41-45
LA  - en
ID  - 10_4064_fm_106_1_41_45
ER  -