Статья 1161 M.G. Barseghyan H.M.Baghramyan D.Laroze J.Bragard A.A.Kirakosyan Physica E: Low-dimensional Systems and Nanostructures 74, 421-425 2015 http://www.journals.elsevier.com/physica-e-low-dimensional-systems-and-nanostru…