TY - JOUR AU - S. M. Manukyan TI - Solution of a boundary value problem for an equation of mixed type in the presence of a discontinuity surface JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1980 SP - 948 EP - 964 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_4_a12/ LA - ru ID - ZVMMF_1980_20_4_a12 ER -