1. Lorentz covariance of the λ(ϕ⁴)₂ quantum field theory

   • John T. Cannon
   • Arthur M. Jaffe

   OriginalPaper Pages: 261 - 321

2. The Dirac matrix group and Fierz transformations

   • E. de Vries
   • A. J. van Zanten

   OriginalPaper Pages: 322 - 342

3. Anisotropic stresses in homogeneous cosmologies

   • M. A. H. MacCallum
   • J. M. Stewart
   • B. G. Schmidt

   OriginalPaper Pages: 343 - 347