@article{GDZPPN002308924, title = {First Order Completeness Theorems.}, journal = {Mathematische Annalen}, volume = {201}, year = {1973}, pages = {249-264}, zbl = {0249.32013}, url = {http://dml.mathdoc.fr/item/GDZPPN002308924} }
Wavrik, John J. First Order Completeness Theorems.. Mathematische Annalen, Tome 201 (1973) pp. 249-264. http://gdmltest.u-ga.fr/item/GDZPPN002308924/