TY - JOUR AU - Z. O. Arzikulov TI - Boundary value problems for the three-dimensional Helmholtz equation in the unbounded octant, square and half space JO - Vestnik KRAUNC. Fiziko-matematičeskie nauki PY - 2024 SP - 7 EP - 19 VL - 48 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VKAM_2024_48_3_a0/ LA - en ID - VKAM_2024_48_3_a0 ER -