1. Moscow State University, 119991 Moscow, Russia
2. Moscow Aviation Institute, 125993 Moscow, Russia
3. Department of Mechanical Engineering, University of Victoria, Victoria, British Columbia V8W 2Y2, Canada
4. Khristianovich Institute of Theoretical and Applied Mechanics SB RAS (ITAM), 630090 Novosibirsk, Russia
5. Novosibirsk State University, 630090 Novosibirsk, Russia
6. Saint Petersburg State University, 199034 St. Petersburg, Russia