%0 Journal Article %A I. D. Kolesin %A E. M. Zhitkova %T Mathematical modelling of the spread of COVID-19, taking into account the distribution of asymptomatic cases between actually asymptomatic and pre-symptomatic cases %J Matematičeskaâ biologiâ i bioinformatika %D 2024 %P 52-60 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MBB_2024_19_1_a1/ %G ru %F MBB_2024_19_1_a1