@article{10_4153_CMB_1988_070_4,
     author = {Gardner, B. J. and Stewart, P. N.},
     title = {Injective and {Weakly} {Injective} {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {487--494},
     year = {1988},
     volume = {31},
     number = {4},
     doi = {10.4153/CMB-1988-070-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-070-4/}
}