@article{1102947530, author = {Goodearl, K. R.}, title = {Essential products of nonsingular rings.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 493-505}, language = {en}, url = {http://dml.mathdoc.fr/item/1102947530} }
Goodearl, K. R. Essential products of nonsingular rings.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 493-505. http://gdmltest.u-ga.fr/item/1102947530/