TY - JOUR AU - D. A. Juraev TI - On the Cauchy problem for matrix factorizations of the Helmholtz equation in an unbounded domain in ${\mathbb R}^{2}$ JO - Sibirskie èlektronnye matematičeskie izvestiâ PY - 2018 SP - 1865 EP - 1877 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SEMR_2018_15_a147/ LA - ru ID - SEMR_2018_15_a147 ER -