TY - JOUR AU - M. H. Zakhar-Itkin TI - A~certain class of boundary value problems that has applications in the theory of multiwave transmission lines JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1970 VL - 25 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1970_25_5_a15/ LA - ru ID - RM_1970_25_5_a15 ER -