On zero subrings and periodic subrings. Bell, Howard E. (2001) International Journal of Mathematics and Mathematical Sciences
Ordinary selfdistributive rings Sobhy Ghoneim, Marian Kechlibar, Tomáš Kepka (2005) Commentationes Mathematicae Universitatis Carolinae Left selfdistributive rings (i.e., x y z = x y x z ) which are semidirect sums of boolean rings and rings nilpotent of index at most 3 are studied.
Ore extensions over near pseudo-valuation rings. Bhat, V.K. (2009) Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]