List of citations in Numdam for : Approximation of harmonic functions

Annales de l'Institut Fourier, Volume 30 (1980) no. 2, pp. 97-107.

Annales de l'Institut Fourier, Volume 70 (2020) no. 4, pp. 1595-1638.

Annales de l'Institut Fourier, Volume 35 (1985) no. 4, pp. 163-174.