TY - JOUR AU - N. A. Razumovskii TI - On the Green function of a slightly heterogeneous waveguide JO - Zapiski Nauchnykh Seminarov POMI PY - 1983 SP - 139 EP - 148 VL - 128 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1983_128_a14/ LA - ru ID - ZNSL_1983_128_a14 ER -