@article{04146196,
title = {On commutativity theorems for rings.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {13},
year = {1990},
pages = {87-92},
doi = {10.1155/S0161171290000126},
zbl = {0699.16021},
language = {en},
url = {http://dml.mathdoc.fr/item/04146196}
}
Abujabal, H.A.S.; Khan, M.S. On commutativity theorems for rings.. International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 87-92. doi : 10.1155/S0161171290000126. http://gdmltest.u-ga.fr/item/04146196/