Tome 60 (1994) no. 4

Sommaire

On the validity of Huygens' principle for second order partial differential equations with four independent variables. II. A sixth necessary condition
p. 373-432
Moments and Huygens' principle for conformally invariant field equations in curved space-times
p. 433-455
On Lichtenstein's analysis of rotating newtonian stars
p. 457-487
Bohm Aharonov effects for bounded states in the case of systems
p. 489-500