TY - JOUR AU - M. A. Lyalinov TI - Green’s function for the Helmholtz equation in a~polygonal domain of special form with ideal boundary conditions JO - Zapiski Nauchnykh Seminarov POMI PY - 2018 SP - 150 EP - 167 VL - 471 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2018_471_a10/ LA - ru ID - ZNSL_2018_471_a10 ER -