Affiliation: | 1. A. Galkin Donetsk Institute for Physics and Engineering, NASU, Ul. R. Luxemburg, 72, Donetsk, 83114, Ukraine 3. Instituto de Fisica, Benemérita Universidad Autónoma de Puebla, Apdo. Post. J-48, Puebla, Pue. 72570, Mexico 2. Donetsk National University, 24 Universitetskaya str., Donetsk, 83055, Ukraine 4. Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland
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