@article{GDZPPN002215489, title = {Injectives of strongly hereditary relative homological algebras.}, journal = {Manuscripta mathematica}, volume = {1}, year = {1969}, pages = {377-384}, zbl = {0185.07102}, url = {http://dml.mathdoc.fr/item/GDZPPN002215489} }
Cook, Donald. Injectives of strongly hereditary relative homological algebras.. Manuscripta mathematica, Tome 1 (1969) pp. 377-384. http://gdmltest.u-ga.fr/item/GDZPPN002215489/