Affiliation: | 1. Department of Theoretical Mechanics, Faculty of Mechanics and Mathematics, Tomsk State University, 634050 Tomsk, Russia;2. Institute of Power Engineering, Tomsk Polytechnic University, 634050 Tomsk, Russia;3. Department of Applied Mathematics, Babeş-Bolyai University, 400084 Cluj-Napoca, Romania;4. S.A.I.C.O., 1111 Arlington Blvd, Arlington, VA 22209, USA |