On the Shintani zeta function for the space of binary quadratic forms. Akihiko Yukie (1992) Mathematische Annalen
On the stability of subgroup actions on certain quasihomogeneous G -varieties. Arzhantsev, Ivan (2000) Journal of Lie Theory
Operateurs differentiels de Shimura et espaces prehomogenes. H. Rubenthaler, G. Schiffmann (1987) Inventiones mathematicae