TY - JOUR AU - I. A. Gurtueva TI - X-rays reflectivity evaluation with regard to real state of surface and shadowing effects JO - News of the Kabardin-Balkar scientific center of RAS PY - 2015 SP - 13 EP - 17 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IZKAB_2015_5_a1/ LA - ru ID - IZKAB_2015_5_a1 ER -