@article{01275558, title = {Noncommutativity and noncentral zero divisors.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {22}, year = {1999}, pages = {67-74}, doi = {10.1155/S0161171299220674}, zbl = {0921.16012}, language = {en}, url = {http://dml.mathdoc.fr/item/01275558} }
Bell, Howard E.; Klein, Abraham A. Noncommutativity and noncentral zero divisors.. International Journal of Mathematics and Mathematical Sciences, Tome 22 (1999) pp. 67-74. doi : 10.1155/S0161171299220674. http://gdmltest.u-ga.fr/item/01275558/