TY - JOUR AU - E. A. Ivanov TI - A boundary value problem of the theory of wave diffraction, solvable by the paired equation method JO - Differencialʹnye uravneniâ PY - 1979 SP - 1898 EP - 1900 VL - 15 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_10_a18/ LA - ru ID - DE_1979_15_10_a18 ER -