%0 Journal Article %A L. A. Aksent'ev %A A. V. Kazantsev %A M. I. Kinder %A A. V. Kiselev %T Classes of uniqueness of an exterior inverse boundary value problem %J Trudy seminara po kraevym zadačam %D 1990 %P 39-62 %V 24 %N 24 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1990_24_24_a2/ %G ru %F KUKZ_1990_24_24_a2