@article{g2017a ,
author = {D. Gallistl},
title = {Stable splitting of polyharmonic operators by
generalized {S}tokes systems},
year = {2017},
journal = {Math. Comp.},
fjournal = {Mathematics of Computation},
doi = {10.1090/mcom/3208},
volume = {86},
number = {308},
pages = {2555--2577},
}