1. Scattering of two plane electromagnetic waves in the non-linear Born-Infeld electrodynamics

   • B. M. Barbashov
   • N. A. Chernikov

   OriginalPaper Pages: 313 - 322

2. Dynamical groups and spherical potentials in Classical Mechanics

   • Henri Bacry
   • Henri Ruegg
   • Jean-Marie Souriau

   OriginalPaper Pages: 323 - 333

3. Etude des Equations des Fluides Chargés Relativistes Inductifs et Conducteurs

   • Yvonne Bruhat

   OriginalPaper Pages: 334 - 357

4. Definition and existence of multichannel scattering states

   • Werner Sandhas

   OriginalPaper Pages: 358 - 374