List of citations in Numdam for : Singularities of envelopes of families of submanifolds in N

Annales scientifiques de l'École Normale Supérieure, Serie 4, Volume 16 (1983) no. 2, pp. 173-192.

Annales de l'Institut Fourier, Volume 39 (1989) no. 1, pp. 225-238.

Annales de l'Institut Fourier, Volume 39 (1989) no. 2, pp. 459-500.