%0 Journal Article %A Yu. A. Bubeev %A B. M. Vladimirskiy %A I. B. Ushakov %A V. M. Usov %A A. V. Bogomolov %T Mathematical modelling of spread COVID-19 epidemic for preventive measures to protect life and health of elderly %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie %D 2021 %P 92-98 %V 14 %N 3 %U http://geodesic.mathdoc.fr/item/VYURU_2021_14_3_a6/ %G en %F VYURU_2021_14_3_a6