TY  - JOUR
AU  - Andrzej Mostowski
TI  - On definable sets of positive integers
JO  - Fundamenta Mathematicae
PY  - 1947
SP  - 81
VL  - 34
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/FUNDAM_1947__34_1_213118/
LA  - en
ID  - FUNDAM_1947__34_1_213118
ER  -