%0 Journal Article %A A. S. Barashkov %T On the uniqueness of the solution of the problem of the determination of the coefficient of the Helmholtz equation %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1988 %P 10-14 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1988_9_a1/ %G ru %F IVM_1988_9_a1