List of citations in Numdam for : Inequalities for boundary value problems for systems of partial differential operators
Colloque International C.N.R.S. sur les équations aux dérivées partielles linéaires, Astérisque, no. 2-3 (1973), pp. 171-187.
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 4, Volume 1 (1974) no. 1-2, pp. 1-61.
