TY - JOUR AU - V. M. Dikasov TI - Solution of some problems on wave propagation in a ball by the reflection method JO - Differencialʹnye uravneniâ PY - 1982 SP - 631 EP - 638 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_4_a12/ LA - ru ID - DE_1982_18_4_a12 ER -