%0 Journal Article %A A. P. Tikhonov %T On the univalent solvability of an exterior inverse boundary value problem %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1981 %P 85-87 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1981_9_a20/ %G ru %F IVM_1981_9_a20