%0 Journal Article %A A. I. Kozhanov %T Boundary value problems for Sobolev type equations with irreversible operator coefficient of the highest derivatives %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2019 %P 34-41 %V 167 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2019_167_a4/ %G ru %F INTO_2019_167_a4