%0 Journal Article %A A. I. Kozhanov %T Well-posedness and ill-posedness of boundary-value problems for one class of fourth-order differential equations of Sobolev type %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2021 %P 68-75 %V 198 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2021_198_a6/ %G ru %F INTO_2021_198_a6