@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://www.numdam.org/item/CM_1974__28_2_113_0/}
}