[1] Department of Mathematics and Mechanics, St. Petersburg State University, St.-Petersburg 198504, Russia
[2] Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, St.-Petersburg 199178, Russia
[3] St. Petersburg State Polytechnical University, St.-Petersburg 195251, Russia
[4] Laboratory of Mechanics and Materials, Polytechnic School, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
[5] Michigan Technological University, Houghton, MI 49931, United States
[6] King Abdulaziz University, Jeddah 21589, Saudi Arabia