%0 Journal Article
%A V. G. Mirzoyan
%A S. N. Noreyan
%A K. M. Gevorgyan
%T Determination of refractive index of heterogeneous substances for $X$--ray radiation
%J Proceedings of the Yerevan State University. Physical and mathematical sciences
%D 2010
%P 63-65
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZERU_2010_2_a10/
%G en
%F UZERU_2010_2_a10