Հոդված 4583 A.H. Gevorgyan M.Z. Harutyunyan K.B. Oganesyan E.A. Ayryan Michal Hnatic M. Rafayelyan Yuri V. Rostovtsev Gershon Kurizki arXiv.org arXiv:1704.03259 19 2017 https://arxiv.org/