Sommaire du Fascicule no. 1

Time-delay operators in semiclassical limit, finite range potentials
Quelques résultats de division dans A ∞ (Ω)
Nonhomogeneous quasilinear hyperbolic system arising in chemical engineering
Asymptotic behaviour of generalized Poisson integrals in rank one symmetric spaces and in trees
Perturbations of stable invariant tori for hamiltonian systems
On a maximum principle for weak solutions of the stationary Stokes system

Sommaire du Fascicule no. 2

Regular inversion of the divergence operator with Dirichlet boundary conditions on a polygon
Varieties whose hyperplane section are ℙ ℂ k bundles
Discontinuous solutions in problems of optimization
The arithmetic-geometric mean and its generalizations for noncommuting linear operators
Existence and estimates of Green's function for degenerate elliptic equations

Sommaire du Fascicule no. 3

Comparison principles and Liouville theorems for prescribed mean curvature equations in unbounded domains
Subharmonic solutions for hamiltonian systems via a ℤ p pseudoindex theory
The Weinstein conjecture in cotangent bundles and related results
Partial regularity of functions of least gradient in ℝ 8
Some remarks on a result of Talenti
Dynamical systems with newtonian type potentials
Globally regular solutions to the u 5 Klein-Gordon equation

Sommaire du Fascicule no. 4

Growth properties of subharmonic functions in the unit disk
Sur la régularité des solutions non strictement convexes de l'équation de Monge-Ampère réelle
A Bochner-Martinelli formula for vector fields which satisfy the generalized Cauchy-Riemann equations
Unicité du problème de Cauchy pour les opérateurs quasi-homogènes
A Harnack inequality approach to the regularity of free boundaries. Part III : existence theory, compactness, and dependence on X
An elementary treatment of a general diophantine problem
Classes de Gevrey non isotropes et application à l'interpolation