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- [45] Eikonal approximation of dynamical diffraction equations for X-ray beams with a two-dimensional curvature of the wave front. II. Focusing of an X-ray beam by a crystal with non-plane entrance and exit surfaces. Symmetrical Laue case[J]. JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES, 2013, 48 (05) : 247 - 252Balyan, M. K.
- [46] Schrödinger operator in a half-plane with the Neumann condition on the boundary and a singular \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\delta$$\end{document}-potential supported by two half-lines, and systems of functional-difference equations[J]. Theoretical and Mathematical Physics, 2022, 213 (2) : 1560 - 1588M. A. Lyalinov