Zeta Functions and Composition Factors for Arithmetic Orders. Irving Reiner, Colin J. Bushnell (1987) Mathematische Zeitschrift
Zeta Functions of Arithmetic Orders and Solomon's Conjecture. Irving Reiner, Colin J. Bushnell (1980) Mathematische Zeitschrift
Zeta Functions of Two-Sided Ideals in Arithmetic Orders. Alberto Raggi-Cárdenas (1986) Mathematische Zeitschrift