@article{1183736068, author = {Vaught, Robert L.}, title = {Axiomatizability by a Schema}, journal = {J. Symbolic Logic}, volume = {32}, number = {1}, year = {1967}, pages = { 473-479}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736068} }
Vaught, Robert L. Axiomatizability by a Schema. J. Symbolic Logic, Tome 32 (1967) no. 1, pp. 473-479. http://gdmltest.u-ga.fr/item/1183736068/