1. Laboratory of Topological Methods in Dynamics, National Research University Higher School of Economics, 25/12 Bolshay Pecherskaya str., Nizhny Novgorod 603155, Russia
2. International Laboratory of Dynamical Systems and Applications, National Research University Higher School of Economics, 25/12 Bolshaya Pecherskaya str., Nizhny Novgorod 603155, Russia
3. Scientific and Educational Mathematical Center “Mathematics of Future Technologies”, Lobachevsky State University of Nizhny Novgorod, 23 Prospekt Gagarina, Nizhny Novgorod 603950, Russia