(2017-05-29) Harutyunyan, V. V.; Aleksanyan, E. M.; Badalyan, A. H.; Hakobyan, N. A.; Grigoryan, N. E.; Baghdasaryan, V. S.; Sahakyan, A. A.; Baghramyan, V. V.; Sargsyan, A. A.; A.I. Alikhanian National Scienc Laboratory, Yerevan Physics Institute, 0036 Yerevan, Armenia; Institute of General and Organic Chemistry of Armenian National Academy of Sciences; Yerevan, Armenia; vharut@mail.yerphi.am
