@article{GDZPPN002490153, title = {The Skew-Hyperbolic Motion Group of the Quaternion Plane.}, journal = {Monatshefte f\"ur Mathematik}, volume = {123}, year = {1997}, pages = {253-274}, zbl = {0885.51014}, url = {http://dml.mathdoc.fr/item/GDZPPN002490153} }
Stroppel, Markus. The Skew-Hyperbolic Motion Group of the Quaternion Plane.. Monatshefte für Mathematik, Tome 123 (1997) pp. 253-274. http://gdmltest.u-ga.fr/item/GDZPPN002490153/