Herwig A. Grogger. Finite difference approximations of first derivatives for three-dimensional grid singularities. J. Comput. Physics, 225(2):2377-2397, 2007. [doi]
@article{Grogger07,
title = {Finite difference approximations of first derivatives for three-dimensional grid singularities},
author = {Herwig A. Grogger},
year = {2007},
doi = {10.1016/j.jcp.2007.03.027},
url = {http://dx.doi.org/10.1016/j.jcp.2007.03.027},
researchr = {https://researchr.org/publication/Grogger07},
cites = {0},
citedby = {0},
journal = {J. Comput. Physics},
volume = {225},
number = {2},
pages = {2377-2397},
}