@article{04156690, title = {An iteration technique and commutativity of rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {13}, year = {1990}, pages = {315-320}, doi = {10.1155/S0161171290000461}, zbl = {0705.16022}, language = {en}, url = {http://dml.mathdoc.fr/item/04156690} }
Abujabal, H.A.S.; Khan, M.S. An iteration technique and commutativity of rings.. International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 315-320. doi : 10.1155/S0161171290000461. http://gdmltest.u-ga.fr/item/04156690/