@ARTICLE {4901,
author={M. D. Domingues and P.  Ferreira and S. Gomes and A. Gomide  and J. R. Pereira and P. Pinho},
doi={10.1016/j.cam.2010.02.035},
journal={Journal Comp. App. Math.},
title={Grid structure impact in sparse point representation of derivatives},
year={2010},
month={August},
volume={234},
number={8},
pages={2377-2389},
ISSN={}
}