Generation of perturbations by means of decoupled equations and their adjoints G. F. Torres del Castillo Research Articles Pages: 1085 - 1090
Impulsive shells of null dust colliding with gravitational plane waves D. TsoubelisA. Z. Wang Research Articles Pages: 1091 - 1104
The geodesics of the Kaluza-Klein wormhole soliton Mustapha Azreg-AinouGérard Clément Research Articles Pages: 1119 - 1133
Exact solutions for space-times admitting non-null special conformai Killing vectors J. Carot Research Articles Pages: 1135 - 1145
H theorem and distribution functions in scale-covariant gravitation R. Domínguez-TenreiroA. Serna Research Articles Pages: 1207 - 1216