Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1991_21_1a_2, author = {Abujabal H.A.S. and Khan M.S.}, title = {Some commutativity conditions for rings}, journal = {Novi Sad Journal of Mathematics}, pages = {23-31}, publisher = {mathdoc}, volume = {21}, number = {1}, year = {1991}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1991_21_1a_2/} }
Abujabal H.A.S.; Khan M.S. Some commutativity conditions for rings. Novi Sad Journal of Mathematics, Tome 21 (1991) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1991_21_1a_2/