%0 Journal Article %A N. Radjabov %T Uniqueness theorems for solutions of a problem of Dirichlet or Neumann type for a general singular second order equation of elliptic type %J Doklady Akademii Nauk %D 1979 %P 14-19 %V 246 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_1_a1/ %G ru %F DAN_1979_246_1_a1