%0 Journal Article %A I. S. Malakhova %T The boundary problem for elliptic equation with conductivity coefficient in three-dimentional case %J Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika %D 2011 %P 85-93 %N 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/VCHGU_2011_14_a7/ %G ru %F VCHGU_2011_14_a7