00560naa#a2200169#i#450# EN\\bibl\69687 20240722180935.1 1994-5655 20230921b2023####ek#y0engy0150####ca RU Bragg’s reflections of a multilayer grating Journal article Syktyvkar FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences" 2023 4 с. Journal article local Рентгенооптика. 548.732 Karpov A. V. komisc.editorum.ru