TY - JOUR AU - A. V. Bogatov AU - A. V. Gilev AU - L. S. Pulkina TI - A problem with a non-local condition for a fourth-order equation with multiple characteristics JO - Vestnik rossijskih universitetov. Matematika PY - 2022 SP - 214 EP - 230 VL - 27 IS - 139 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTAMU_2022_27_139_a1/ LA - ru ID - VTAMU_2022_27_139_a1 ER -