%0 Journal Article %A R. G. Avkhadiev %T Nonuniqueness of the solution of inverse boundary value problems that reduce to fundamental ones %J Trudy seminara po kraevym zadačam %D 1976 %P 5-12 %V 13 %N 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a0/ %G ru %F KUKZ_1976_13_13_a0