The inverses-wave scattering problem for a class of potentials depending on energy M. JaulentC. Jean OriginalPaper Pages: 177 - 220
The finite group velocity of quantum spin systems Elliott H. LiebDerek W. Robinson OriginalPaper Pages: 251 - 257
The structure of space-time transformations H. J. BorchersG. C. Hegerfeldt OriginalPaper Pages: 259 - 266