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@article{CM_1974__28_2_113_0, author = {Simmons, H.}, title = {The use of injective-like structures in model theory}, journal = {Compositio Mathematica}, pages = {113--142}, publisher = {Noordhoff International Publishing}, volume = {28}, number = {2}, year = {1974}, mrnumber = {351801}, zbl = {0291.02035}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1974__28_2_113_0/} }
Simmons, H. The use of injective-like structures in model theory. Compositio Mathematica, Tome 28 (1974) no. 2, pp. 113-142. http://geodesic.mathdoc.fr/item/CM_1974__28_2_113_0/