Liste des citations dans Numdam pour : Elementary proofs of analytic hypoellipticity for and the - Neumann problem
Analytic solutions of partial differential equations - Trento, 1981, Astérisque, no. 89-90 (1981), pp. 85-116.
Analytic solutions of partial differential equations - Trento, 1981,
Astérisque, no. 89-90 (1981), pp. 249-262.