@article{01704023, title = {On essential left ideals of associative rings.}, journal = {Mathematica Pannonica}, volume = {12}, year = {2001}, pages = {217-224}, zbl = {0981.16002}, language = {en}, url = {http://dml.mathdoc.fr/item/01704023} }
Mendes, D.I.C.; Wiegandt, R. On essential left ideals of associative rings.. Mathematica Pannonica, Tome 12 (2001) pp. 217-224. http://gdmltest.u-ga.fr/item/01704023/