@article{1183389278, author = {Langford, C. H.}, title = {Note on a Device of Quine and Goodman}, journal = {J. Symbolic Logic}, volume = {6}, number = {1}, year = {1941}, pages = { 154-155}, language = {en}, url = {http://dml.mathdoc.fr/item/1183389278} }
Langford, C. H. Note on a Device of Quine and Goodman. J. Symbolic Logic, Tome 6 (1941) no. 1, pp. 154-155. http://gdmltest.u-ga.fr/item/1183389278/