С. В. Гнидо, “COMBAT OPERATIONS OF THE 23RD INFANTRY DIVISION OF THE 9TH ARMY OF THE SOUTH-EASTERN FRONT OF THE RED ARMY IN THE AREA OF THE KHOPER RIVER IN EARLY NOVEMBER 1919”, Siberia Humanitarian, vol. 1, no. 2, pp. 37–45, Jan. 2023, doi: 10.32324/2949-1568-2023-2-37-45.