%0 Journal Article
%A V. G. Romanov
%T Extension of data in inverse problems with concentrated sources
%J Matematičeskie zametki
%D 1983
%P 693-698
%V 34
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1983_34_5_a4/
%G ru
%F MZM_1983_34_5_a4