Local field equation forA 4-coupling in renormalized perturbation theory Wolfhart Zimmermann OriginalPaper Pages: 161 - 188
On the factor type of equilibrium states in quantum Statistical Mechanics N. M. Hugenholtz OriginalPaper Pages: 189 - 193
Types of von Neumann algebras associated with extremal invariant states Erling Størmer OriginalPaper Pages: 194 - 204