Seung-Yeon Kim,  Exact Solution of the Ising Model on the 15 X 15 Square Lattice with Free Boundary Conditions.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1684 - 1689
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/945.