%0 Journal Article %A V. M. Dikasov %T Solution of some problems on wave propagation in a ball by the reflection method %J Differencialʹnye uravneniâ %D 1982 %P 631-638 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_4_a12/ %G ru %F DE_1982_18_4_a12