Daniel Hempel. Isotropic refinement and recoarsening in two dimensions. Numerical Algorithms, 13(1):33-43, 1996. [doi]
@article{Hempel96-0,
title = {Isotropic refinement and recoarsening in two dimensions},
author = {Daniel Hempel},
year = {1996},
doi = {10.1007/BF02143125},
url = {http://dx.doi.org/10.1007/BF02143125},
researchr = {https://researchr.org/publication/Hempel96-0},
cites = {0},
citedby = {0},
journal = {Numerical Algorithms},
volume = {13},
number = {1},
pages = {33-43},
}