1. Montroll, E.W., Potts, R.A. and Ward, J.C. (1963) Correlations and spontaneous magnetization of the two-dimensional Ising model, J. Math. Phys.
4, 308–322.
2. McCoy, B.M. (1995) The connection between statistical mechanics and quantum field theory, in V.V. Bazhanov and C.J. Burden (eds.) Statistical Mechanics and Field Theory, World Scientific, Singapore, pp. 26–128.
3. Wu, T.T., McCoy, B.M., Tracy, C.A. and Barouch, E. (1976) Spin-spin correlation functions for the two-dimensional Ising model: Exact theory in the scaling region, Phys. Rev.
B13, 316–374.
4. Nappi, C.R. (1978) On the scaling limit of the Ising model, Nuovo Cimento
A44, 392–400.
5. Palmer, J. and Tracy, C.A. (1981) Two-dimensional Ising correlations: convergence of the scaling limit, Advances in Applied Mathematics
2, 329–388.