TY  - JOUR
AU  - Stefan Breulmann
AU  - Volker Helmke
TI  - The covolume of quaternion groups on the four-dimensional hyperbolic space
JO  - Acta Arithmetica
PY  - 1996
SP  - 9
EP  - 21
VL  - 77
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa-77-1-9-21/
DO  - 10.4064/aa-77-1-9-21
LA  - en
ID  - 10_4064_aa_77_1_9_21
ER  -