[1056] Hybrids between hyperbolic and elliptic differential operators with constant coefficients

[1057] Sur les maxima des formes bilinéaires et sur les fonctionnelles linéaires

[1058] Developments in the analytic theory of algebraic differential equations

[1059] Relations de domination entre opérateurs différentiels

[1060] A nonlinear elliptic system for maps from Hermitian to Riemannian manifolds and rigidity theorems in Hermitian geometry