![An Investigation on the Nonlinear Free Vibration Analysis of Beams with Simply Supported Boundary Conditions Using Four Engineering Theories]()
An Investigation on the Nonlinear Free Vibration Analysis of Beams with Simply Supported Boundary Conditions Using Four Engineering TheoriesJafari-Talookolaei, R. A.; Kargarnovin, M. H.; Ahmadian, M. T.; Abedi, M. · Journal of Applied Mathematics · 2011