1. E. Aichinger, F. Binder, J. Ecker, R. Eggetsberger, P. Mayr, C. Nöbauer, SONATA—System of Near-Rings and Their Applications, Package for the group theory system GAP4, Division of Algebra (Johannes Kepler University, Linz, Austria, 1999)
2. E. Aichinger, M. Farag, On when the multiplicative center of a near-ring is a subnear-ring. Aequationes Math. 68, 46–59 (2004)
3. S.W. Bagley, Polynomial near-rings: polynomials with coefficients from a near-ring. Nearrings, Nearfields, and $$K$$-loops (Hamburg, 1995) (Kluwer Academic Publishers, Dordrecht, 1997), pp. 197–190
4. S. Bhavanari, L. Godloza, P.M. Babu, S.P. Kuncham, Ideals and direct products of zero-square nearrings. Int. J. Algebra 4(16), 777–789 (2010)
5. G.A. Cannon, M. Farag, L. Kabza, Centers and generalized centers of near-rings. Commun. Algebra 35(2), 443–453 (2007)