%0 Journal Article
%A V. A. Yurko
%T An inverse problem for selfadjoint differential operators on the
%J Doklady Akademii Nauk
%D 1993
%P 449-451
%V 333
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_333_4_a10/
%G ru
%F DAN_1993_333_4_a10