Gerd Wachsmuth. Conforming approximation of convex functions with the finite element method. Numerische Mathematik, 137(3):741-772, 2017. [doi]
@article{Wachsmuth17,
title = {Conforming approximation of convex functions with the finite element method},
author = {Gerd Wachsmuth},
year = {2017},
doi = {10.1007/s00211-017-0884-8},
url = {https://doi.org/10.1007/s00211-017-0884-8},
researchr = {https://researchr.org/publication/Wachsmuth17},
cites = {0},
citedby = {0},
journal = {Numerische Mathematik},
volume = {137},
number = {3},
pages = {741-772},
}