Issue no. 1 Table of Contents

Harmonic analysis on the one-sheet hyperboloid and multiperipheral inclusive distributions
On unitary irreducible representations of semidirect products with nilpotent normal subgroup
Hamiltonian Poincaré invariant systems
Null hypersurfaces in general relativity theory

Issue no. 2 Table of Contents

Étude du mouvement des particules dans un milieu réfringent
L'entropie fine, la mécanique dissipative et la notion de masse au repos variable
On the so-called “Palatini method” of variation in covariant gravitational theories
Charged dust spheres in general relativity
Causality and local analyticity : mathematical study

Issue no. 3 Table of Contents

The geometry of the octet
Quelques résultats dans la théorie algébrique de la diffusion
Local perturbations and approach to equilibrium
Einstein's causality as a consequence of equal-time commutation relations in some soluble models
Sur quelques propriétés de la double 2-forme gravitationnelle W
Problème de Cauchy pour l'équation de Boltzmann en relativité générale

Issue no. 4 Table of Contents

Théorie des déformations de structures
On the significance of electromagnetic potentials in the quantum theory
On the existence of a geometrical interpretation of spinors of the various pseudo-euclidean spaces of dimension 3 and 4 by means of real, irreducible tensors of rank p