TY - JOUR AU - V. S. Rykhlov TI - Solvability of the mixed problem for a hyperbolic equation in the case of incomplete system of eigenfunctions JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2021 SP - 95 EP - 104 VL - 200 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2021_200_a10/ LA - ru ID - INTO_2021_200_a10 ER -