Affiliation: | 1.Lobachevskii Nizhni Novgorod State University,Nizhni Novgorod,Russia;2.Nizhni Novgorod State Technical University,Nizhni Novgorod,Russia;3.Blagonravov Institute of Machine Science,Russian Academy of Sciences, Nizhni Novgorod Branch,Nizhni Novgorod,Russia |