An exactly soluble case of the triangular ising model in a magnetic field A. M. W. Verhagen Articles Pages: 219 - 231
Nonlinearity in cooperative systems-dynamical Bethe-Ising model Yukio SaitoRyogo Kubo Articles Pages: 233 - 253
Variational approximations for renormalization group transformations Leo P. KadanoffAnthony HoughtonMehmet C. Yalabik Erratum Pages: 263 - 263