Koltukhov, S. G. “THE JUSTIFICATION ON THE TIME OF THE CONSTRUCTION OF THE KURGAN BESH-OBA IV 3 AKKAI (BELOGORSKY) BURNED BOTTLE”. Archaeology and Early History of Ukraine, vol. 31, no. 2, June 2019, pp. 315-9, doi:10.37445/adiu.2019.02.23.