@article{1183737029, author = {Morley, Michael}, title = {The Number of Countable Models}, journal = {J. Symbolic Logic}, volume = {35}, number = {1}, year = {1970}, pages = { 14-18}, language = {en}, url = {http://dml.mathdoc.fr/item/1183737029} }
Morley, Michael. The Number of Countable Models. J. Symbolic Logic, Tome 35 (1970) no. 1, pp. 14-18. http://gdmltest.u-ga.fr/item/1183737029/