@article{1102945420, author = {Bronn, Stephen D.}, title = {Cotorsion theories.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 355-363}, language = {en}, url = {http://dml.mathdoc.fr/item/1102945420} }
Bronn, Stephen D. Cotorsion theories.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 355-363. http://gdmltest.u-ga.fr/item/1102945420/