%0 Journal Article %A V. I. Uskov %T Cauchy problem for a sedond-order degeneracy differential equation in a Banach space %J Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika %D 2023 %P 70-80 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTPMK_2023_4_a4/ %G ru %F VTPMK_2023_4_a4