| Affiliation: | 1. Mechanical Engineering Department, Islamic Azad University, South Tehran Branch, Tehran, Iran;2. Faculty of Engineering, Shahrekord University, Shahrekord, Iran;3. Mechanical Engineering Department, Amirkabir University of Technology, Tehran, Iran;1. School of Mathematics, Sichuan University, Chengdu, Sichuan 610064, PR China;2. Department of Mathematics, Brigham Young University, Provo, UT 84602, USA;3. Department of Mathematics, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA;1. Institut für Mathematik, Universität Osnabrück, Albrechtstraße 28A, 49076 Osnabrück, Germany;2. Fachbereich Mathematik, Technische Universität Kaiserslautern, Postfach 3049, 67653 Kaiserslautern, Germany;3. Institut für Analysis, Johannes-Kepler-Universität Linz, Altenberger Str. 69, 4040 Linz, Austria |
