?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nguyen%2C+Dinh+Duc&rft.aulast=Nguyen&rft.aufirst=Dinh+Duc&rft.date=2019&rft.issn=0866-8612&rft.atitle=Nonlinear+Dynamic+Response+of+Nano-composite+Sandwich+Annular+Spherical+Shells&rft.title=VNU+Journal+of+Science%3A+Mathematics+-+Physics&rft.genre=article