А., В. Ч. THE SOUTHERN BORDER OF THE PREVAILING THREE-FIELD SYSTEM OF FARMING IN THE PEASANT LANDS OF RUSSIA BY THE EARLY 20TH CENTURY (ARTICLE OF A.V. CHAYANOV). Russian Peasant Studies 2019, 4 (2), 62-82. https://doi.org/10.22394/2500-1809-2019-4-2-62-82.