Гнидо С.В. 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. 2023. Vol. 1, no. 2. P. 37–45. https://doi.org/10.32324/2949-1568-2023-2-37-45