Geodesic
A Commutativity Condition for Rings
Canadian journal of mathematics, Tome 28 (1976) no. 5, pp. 986-991

Voir la notice de l'article provenant de la source Cambridge University Press

The object of this paper is to prove the following theorem, a special case of which was previously explored in [1].THEOREM. Let R be any associative ring with the property that(†) for each x,y ∊ R, there exist integers m,n ≧ I for which xy = ymxn. 
Bell, Howard E. A Commutativity Condition for Rings. Canadian journal of mathematics, Tome 28 (1976) no. 5, pp. 986-991. doi: 10.4153/CJM-1976-096-3
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