@article{GDZPPN002043122,
title = {On Families of Sets represented in Theories.},
journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
volume = {6},
year = {1962},
pages = {66-70},
zbl = {0126.02101},
url = {http://dml.mathdoc.fr/item/GDZPPN002043122}
}
Putnam, Hilary. On Families of Sets represented in Theories.. Archiv für mathematische Logik und Grundlagenforschung, Tome 6 (1962) pp. 66-70. http://gdmltest.u-ga.fr/item/GDZPPN002043122/