Near-rings and group automata. - Gerhard Hofer (1987)

Left Ideals and Reachability in Machines. - Gerhard Hofer (Theor. Comput. Sci., 1989)

Codes from planar near rings. - Peter Fuchs; Gerhard Hofer; Günter Pilz (IEEE Trans. Inf. Theory, 1990)

Experiments and Stability in Group Automata. - Gerhard Hofer (Theor. Comput. Sci., 1991)