List of citations in Numdam for : Riesz means on Lie groups and riemannian manifolds of nonnegative curvature
Bulletin de la Société Mathématique de France, Volume 122 (1994) no. 2, pp. 209-223.
Annales mathématiques Blaise Pascal, Volume 10 (2003) no. 1, pp. 133-160.
