@article{1183733824, author = {Keisler, H. Jerome}, title = {Theory of Models with Generalized Atomic Formulas}, journal = {J. Symbolic Logic}, volume = {25}, number = {1}, year = {1960}, pages = { 1-26}, language = {en}, url = {http://dml.mathdoc.fr/item/1183733824} }
Keisler, H. Jerome. Theory of Models with Generalized Atomic Formulas. J. Symbolic Logic, Tome 25 (1960) no. 1, pp. 1-26. http://gdmltest.u-ga.fr/item/1183733824/