On dependent elements in rings. - Joso Vukman; Irena Kosi-Ulbl (Int. J. Math. Math. Sci., 2004)

On some equations related to derivations in rings. - Joso Vukman; Irena Kosi-Ulbl (Int. J. Math. Math. Sci., 2005)

A note on derivations in semiprime rings. - Joso Vukman; Irena Kosi-Ulbl (Int. J. Math. Math. Sci., 2005)