Andreas Veeser. Approximating Gradients with Continuous Piecewise Polynomial Functions. Foundations of Computational Mathematics, 16(3):723-750, 2016. [doi]
@article{Veeser16,
title = {Approximating Gradients with Continuous Piecewise Polynomial Functions},
author = {Andreas Veeser},
year = {2016},
doi = {10.1007/s10208-015-9262-z},
url = {http://dx.doi.org/10.1007/s10208-015-9262-z},
researchr = {https://researchr.org/publication/Veeser16},
cites = {0},
citedby = {0},
journal = {Foundations of Computational Mathematics},
volume = {16},
number = {3},
pages = {723-750},
}