Ezerskaya,E. V., and K. V.Sokorenko. “The Energy Spectrum and Thermodynamics of the Finite Spin-1/2 XX Chain With Ising-Type Impurities”. Journal of V. N. Karazin Kharkiv National University. Series Physics0, no. 23 (December 28, 2016): 75-79. Accessed January 4, 2025. https://periodicals.karazin.ua/physics/article/view/7780.