@Article{ Gallistl:2015*2, author = {D. Gallistl}, title = {Stable splitting of polyharmonic operators by generalized {S}tokes systems}, inspreprintnum= {1529}, year = {2016}, annote = {journal,inspreprint}, pdf = {http://peterseim.ins.uni-bonn.de/research/pub/INS1529.pdf}, journal = {Math. Comp.}, fjournal = {Mathematics of Computation}, note = {Accepted for publication. Also available INS Preprint No. 1529} }