%0 Journal Article %A A. I. Kozhanov %A G. I. Tarasova %T The Samarsky--Ionkin problem with integral perturbation for a pseudoparabolic equation %J The Bulletin of Irkutsk State University. Series Mathematics %D 2022 %P 59-74 %V 42 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2022_42_a4/ %G ru %F IIGUM_2022_42_a4