%0 Journal Article %A V. A. Il'in %T Solvability of the Dirichlet and Neumann problems for a linear elliptic operator with discontinuous coefficients %J Doklady Akademii Nauk %D 1961 %P 28-30 %V 137 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_137_1_a5/ %G ru %F DAN_1961_137_1_a5