%0 Journal Article %A B. K. Amonov %T An interior problem for the diffusion equation in $3$-dimensional space %J Differencialʹnye uravneniâ %D 1984 %P 1427-1429 %V 20 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_8_a16/ %G ru %F DE_1984_20_8_a16