?url_ver=Z39.88-2004&rft_id=10.1063%2F1.4801170&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Abdul+Karim%2C+S.A.&rft.aulast=Abdul+Karim&rft.aufirst=S.A.&rft.date=2013&rft.title=Positivity+preserving+using+GC1+rational+quartic+spline&rft.isbn=9780735411500&rft.issn=0094243X&rft.genre=proceeding