?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Greenleaf&rft.au=Greenleaf%2C+A&rft.aufirst=A&rft.atitle=Superdimensional+Metamaterial+Resonators+From+Sub-Riemannian+Geometry&rft.title=SIAM+Journal+on+Applied+Mathematics&rft.volume=78&rft.pages=437-456&rft.date=2018&rft.issue=1&rft.issn=0036-1399&rft.genre=article