TY - JOUR AU - A. V. Arguchintsev AU - V. P. Poplevko TI - Variational optimality condition in a control problem of a linear first-order hyperbolic system with boundary delay JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2022 SP - 3 EP - 9 VL - 212 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2022_212_a0/ LA - ru ID - INTO_2022_212_a0 ER -