Nearly-idempotent plain algebras are indeed nearly idempotent plain algebras Ágnes Szendrei (1996) Mathematica Slovaca
Near-Rings of Polynomials over ...-Groups. Günter Pilz, Yong-Sian So (1981) Monatshefte für Mathematik
Note on homomorphisms of direct products of algebras Bedřich Pondělíček (1979) Czechoslovak Mathematical Journal
Notes on distributive groupoids Jaroslav Ježek, Tomáš Kepka (1983) Commentationes Mathematicae Universitatis Carolinae
Notes on left distributive groupoids Tomáš Kepka (1981) Acta Universitatis Carolinae. Mathematica et Physica