Kabanikhin, S. I., M. A. Bektemesov, and J. M. Bektemessov. “MATHEMATICAL MODEL FOR MEDIUM-TERM COVID-19 FORECASTS IN KAZAKHSTAN”. Journal of Mathematics, Mechanics and Computer Science, vol. 111, no. 3, Oct. 2021, pp. 95-106, doi:10.26577/JMMCS.2021.v111.i3.08.