@article{1093957652, author = {Putnam, Hilary}, title = {A note on constructible sets of integers.}, journal = {Notre Dame J. Formal Logic}, volume = {4}, number = {1}, year = {1963}, pages = { 270-273}, language = {en}, url = {http://dml.mathdoc.fr/item/1093957652} }
Putnam, Hilary. A note on constructible sets of integers.. Notre Dame J. Formal Logic, Tome 4 (1963) no. 1, pp. 270-273. http://gdmltest.u-ga.fr/item/1093957652/