%0 Journal Article %A David E. Barrett %A Marco M. Peloso %A Dariush Ehsani %T Regularity of projection operators attached to worm domains %J Documenta mathematica %D 2015 %P 1207-1225 %V 20 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/517/ %R 10.4171/dm/517 %F 10_4171_dm_517