Surgeries on small volume hyperbolic 3-orbifolds. Vesnin, A.Yu.; Mednykh, A.D.; Zimmermann, B. — 2001 Sibirskij Matematicheskij Zhurnal
Finitistic dimension of artian rings with vanishing radical cube. B. Zimmermann-Huisgen; Edward L. Green — 1991 Mathematische Zeitschrift
Algebraically Compact Rings and Modules. W. Zimmermann; B. Zimmermann-Huisgen — 1978 Mathematische Zeitschrift
Lengths of Submodule Chains Versus Krull Dimension in Non-Noetherian Modules. K.R. Goodearl; B. Zimmermann-Huisgen — 1986 Mathematische Zeitschrift