TY - JOUR AU - A. I. Kozhanov TI - Well-posedness and ill-posedness of boundary-value problems for one class of fourth-order differential equations of Sobolev type JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2021 SP - 68 EP - 75 VL - 198 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2021_198_a6/ LA - ru ID - INTO_2021_198_a6 ER -