Delokarov, K. H., A. Y. Shadzhe, S. G. Chefranov, and E. S. Kukva. ’The Russian National Identity in the North Caucasus: Experience of Nonlinear Modeling’. Humanities of the South of Russia, no. 4, Jan. 2016, pp. 127-38, https://jour.fnisc.ru/index.php/hsr/article/view/3445.