@article{10_4171_dm_517,
     author = {David E. Barrett and Marco M. Peloso and Dariush Ehsani},
     title = {Regularity of projection operators attached to worm domains},
     journal = {Documenta mathematica},
     pages = {1207--1225},
     year = {2015},
     volume = {20},
     doi = {10.4171/dm/517},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/517/}
}