16 Associative rings and algebras
 
16R40 Identities other than those of matrices over commutative rings (2 articles) 
- 
Jedlička, P.:
		The rings which are Boolean. II.
		
			(English).
Acta Universitatis Carolinae. Mathematica et Physica,
		vol. 53
			(2012),
			issue 1,
		pp. 73-75
- 
Abujabal, H. A. S.; Khan, M. A.; Khan, M. S.; Samman, M. S.:
		On commutativity of rings with constraints on subsets.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 43
			(1993),
			issue 3,
		pp. 439-449