Koshmanenko, V. D., and S. M. Petrenko. “Hahn-Jordan Decomposition As an Equilibrium State of the conflict System”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 1 (January 25, 2016): 64-77. Accessed October 2, 2022. http://umj.imath.kiev.ua/index.php/umj/article/view/1822.