© 2016 Publisher M.V.Lomonosov Moscow State University
Authors
D.G. Fedorov, S.S. Khoruzhii
Department of Quantum Statistics and Field Theory, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Department of Quantum Statistics and Field Theory, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia