%0 Journal Article %A A. I. Shashkin %A M. V. Polovinkina %A I. P. Polovinkin %T On studying the spread model of the HIV/AIDS epidemic %J Contemporary Mathematics. Fundamental Directions %D 2024 %P 691-701 %V 70 %N 4 %U http://geodesic.mathdoc.fr/item/CMFD_2024_70_4_a14/ %G ru %F CMFD_2024_70_4_a14