TY  - JOUR
AU  - R. Montague
AU  - R. Vaught
TI  - Natural models of set theories
JO  - Fundamenta Mathematicae
PY  - 1959
SP  - 219
EP  - 242
VL  - 47
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-47-2-219-242/
DO  - 10.4064/fm-47-2-219-242
LA  - en
ID  - 10_4064_fm_47_2_219_242
ER  -