by Carstensen, C., Gallistl, D. and Schedensack, M.
Reference:
Carstensen, C., Gallistl, D. and Schedensack, M.:Discrete reliability for Crouzeix–Raviart FEMs, SIAM J. Numer. Anal., volume 51, no.5, pp.2935–2955, 2013.
Bibtex Entry:
@ARTICLE{cgs2013b,
author = {Carstensen, C. and Gallistl, D. and Schedensack, M.},
title = {Discrete reliability for {C}rouzeix--{R}aviart {FEM}s},
journal = {SIAM J. Numer. Anal.},
year = {2013},
volume = {51},
pages = {2935--2955},
number = {5},
doi = {10.1137/130915856},
fjournal = {SIAM Journal on Numerical Analysis}
}