List of citations in Numdam for : An axiomatic treatment of pairs of elliptic differential equations
Annales de l'Institut Fourier, Volume 16 (1966) no. 2, pp. 167-208.
Annales de l'Institut Fourier, Volume 28 (1978) no. 2, pp. 25-52.
Annales de l'Institut Fourier, Volume 22 (1972) no. 4, pp. 97-160.
Annales de l'Institut Fourier, Volume 20 (1970) no. 1, pp. 433-456.
Annales de l'Institut Fourier, Volume 19 (1969) no. 2, pp. 371-417.
Annales de l'Institut Fourier, Volume 18 (1968) no. 1, pp. 283-308.
