@article{g2019a,
AUTHOR = {D. Gallistl},
TITLE = {{R}ayleigh-{R}itz approximation of the inf-sup constant
for the divergence},
YEAR = {2019},
journal = {Math. Comp.},
doi = {10.1090/mcom/3327},
volume = {88},
number = {315},
pages = {73--89},
preprint = {https://www.waves.kit.edu/downloads/CRC1173_Preprint_2017-15.pdf},
}