Yakhutl’, Y. A. ’Elections to the Soviets in the Don and Kuban Regions (1925–1926): Problems of Choice of the Reforms’ Course’. Vlast’ (The Authority), Vol. 25, no. 12, Dec. 2017, pp. 123-9, https://jour.fnisc.ru/index.php/vlast/article/view/5564.