Kostetska, V. and Kizilova, N. 2020. Mathematical modeling of the dynamics of the COVID-19 pandemic. Bulletin of V.N. Karazin Kharkiv National University, series «Mathematical modeling. Information technology. Automated control systems». 48, (Dec. 2020), 65-71. DOI:https://doi.org/10.26565/2304-6201-2020-48-06.