List of citations in Numdam for : Geometric invariant theory for general algebraic groups
Compositio Mathematica, Volume 55 (1985) no. 1, pp. 63-87.
Annales de l'Institut Fourier, Volume 53 (2003) no. 1, pp. 107-192.
Compositio Mathematica, Volume 68 (1988) no. 1, pp. 23-29.