New Baxter phase in the Ashkin–Teller model on a cubic lattice

Correlation functions on the critical lines of the Baxter and Ashkin-Teller models

Phase transitions in the mixed Ashkin-Teller model

Ashkin–Teller model on a sequence of hierarchical lattices

Phase diagram of a modified Ashkin-Teller model

Phase Diagram of the Ashkin–Teller Model

New effective field theory for the Ashkin–Teller model