?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Deng%2C+H&rft.aufirst=H&rft.aulast=Deng&rft.date=15+September+2016&rft.atitle=Topological+surface+plasmons+in+superlattices+with+changing+sign+of+the+average+permittivity&rft.volume=41&rft.title=Optics+Letters&rft.issn=1539-4794&rft.pages=4281-4284&rft.issue=18&rft.genre=article