A remark on radical-semisimple classes of fully ordered groups Stefan Veldsman — 1987 Commentationes Mathematicae Universitatis Carolinae
How round is a circle? Constructions of double and circular planar near-rings. Veldsman, Stefan — 2003 Beiträge zur Algebra und Geometrie
Substructures and radicals of Morita contexts for near-rings and Morita near-rings. Veldsman, Stefan — 1994 Mathematica Pannonica
Compositions on the ring of polynomials in two indeterminates. Veldsman, Stefan — 2006 Mathematica Pannonica
Homomorphic images of polynomial near-rings. Veldsman, Stefan — 2009 Beiträge zur Algebra und Geometrie