@article{GDZPPN002396289, title = {The Jacobson radical of a pseudo-ring.}, journal = {Mathematische Zeitschrift}, volume = {87}, year = {1965}, pages = {348-364}, zbl = {0135.02902}, url = {http://dml.mathdoc.fr/item/GDZPPN002396289} }
Patterson, Edward M. The Jacobson radical of a pseudo-ring.. Mathematische Zeitschrift, Tome 87 (1965) pp. 348-364. http://gdmltest.u-ga.fr/item/GDZPPN002396289/