TY - JOUR AU - Yu. R. Agachev AU - M. Yu. Pershagin TI - Well-posedness of boundary-value problems for conditionally well-posed integro-differential equations and polynomial approximations of their solutions JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2020 SP - 69 EP - 78 VL - 175 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2020_175_a6/ LA - ru ID - INTO_2020_175_a6 ER -