TY  - JOUR
AU  - Leo Marcus
TI  - The number of countable models of a theory of one unary function
JO  - Fundamenta Mathematicae
PY  - 1980
SP  - 171
EP  - 181
VL  - 108
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-108-3-171-181/
DO  - 10.4064/fm-108-3-171-181
LA  - en
ID  - 10_4064_fm_108_3_171_181
ER  -