@article{GDZPPN001247697, title = {Semisimplicity and von Neumann's regularity.}, journal = {Semigroup forum}, volume = {2}, year = {1971}, pages = {354-361}, zbl = {0233.18003}, url = {http://dml.mathdoc.fr/item/GDZPPN001247697} }
Klasa, J. Semisimplicity and von Neumann's regularity.. Semigroup forum, Tome 2 (1971) pp. 354-361. http://gdmltest.u-ga.fr/item/GDZPPN001247697/