%0 Journal Article %A K. T. Avetyan %A L. V. Levonyan %A H. S. Semerjyan %A M. M. Arakelyan %T Image contrast formed by scattered X-rays %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2014 %P 49-55 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2014_3_a8/ %G en %F UZERU_2014_3_a8