TY  - JOUR
AU  - Th. Skolem
TI  - A Set Theory Based on a Certain 3-Valued Logic.
JO  - Mathematica Scandinavica
PY  - 1960
SP  - 127
EP  - 136
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1960__8_165740/
ID  - MS2_1960__8_165740
ER  -