%0 Journal Article
%A V. N. Troyan
%A G. A. Ryzhikov
%T Reqularization problems in three-dimensional ray tomography
%J Zapiski Nauchnykh Seminarov POMI
%D 1999
%P 298-303
%V 257
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1999_257_a16/
%G ru
%F ZNSL_1999_257_a16