@article{1183734536, author = {Chang, C. C.}, title = {Review: H. Jerome Keisler, Ultraproducts and Elementary Classes}, journal = {J. Symbolic Logic}, volume = {27}, number = {1}, year = {1962}, pages = { 357-358}, language = {en}, url = {http://dml.mathdoc.fr/item/1183734536} }
Chang, C. C. Review: H. Jerome Keisler, Ultraproducts and Elementary Classes. J. Symbolic Logic, Tome 27 (1962) no. 1, pp. 357-358. http://gdmltest.u-ga.fr/item/1183734536/