TY - JOUR AU - N. V. Zaitseva TI - Uniqueness of the Solution of a Nonlocal Problem for an Elliptic-Hyperbolic Equation with Singular Coefficients JO - Matematičeskie zametki PY - 2021 SP - 544 EP - 551 VL - 109 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2021_109_4_a4/ LA - ru ID - MZM_2021_109_4_a4 ER -