Avetyan, K.; Levonyan, L.; Semerjyan, H. COMPARATIVE ANALYSIS OF TWO DIFFRACTION SCHEMES FOR WIDELY DIVERGENT BEAM OF X-RAY RADIATION. Proc. YSU A: Phys. Math. Sci. 2017, 51 (1 (242), 81-84. https://doi.org/10.46991/PYSU:A/2017.51.1.081.