@article{1200783422, author = {Harada, Manabu}, title = {Hereditary rings and relative projectives}, journal = {Osaka J. Math.}, volume = {28}, number = {1}, year = {1991}, pages = { 811-827}, language = {en}, url = {http://dml.mathdoc.fr/item/1200783422} }
Harada, Manabu. Hereditary rings and relative projectives. Osaka J. Math., Tome 28 (1991) no. 1, pp. 811-827. http://gdmltest.u-ga.fr/item/1200783422/