Shai Dekel, Dany Leviatan. The Bramble-Hilbert Lemma for Convex Domains. SIAM J. Math. Analysis, 35(5):1203-1212, 2004. [doi]
@article{DekelL04-0,
title = {The Bramble-Hilbert Lemma for Convex Domains},
author = {Shai Dekel and Dany Leviatan},
year = {2004},
doi = {10.1137/S0036141002417589},
url = {http://dx.doi.org/10.1137/S0036141002417589},
researchr = {https://researchr.org/publication/DekelL04-0},
cites = {0},
citedby = {0},
journal = {SIAM J. Math. Analysis},
volume = {35},
number = {5},
pages = {1203-1212},
}