%0 Journal Article %A S. G. Amirkhanova %A L. N. Zhurbenko %T An inverse boundary value problem with parameter $x$ for a first-order elliptic system in the case of a multiply connected domain %J Trudy seminara po kraevym zadačam %D 1985 %P 36-47 %V 22 %N 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1985_22_22_a4/ %G ru %F KUKZ_1985_22_22_a4