@article{1200691230, author = {Harada, Manabu}, title = {On semi-primary $PP$-rings}, journal = {Osaka J. Math.}, volume = {2}, number = {1}, year = {1965}, pages = { 153-161}, language = {en}, url = {http://dml.mathdoc.fr/item/1200691230} }
Harada, Manabu. On semi-primary $PP$-rings. Osaka J. Math., Tome 2 (1965) no. 1, pp. 153-161. http://gdmltest.u-ga.fr/item/1200691230/