@article{10_4171_dm_228,
     author = {Richard Hill},
     title = {Construction of eigenvarieties in small cohomological dimensions for semi-simple, simply connected groups},
     journal = {Documenta mathematica},
     pages = {363--397},
     year = {2007},
     volume = {12},
     doi = {10.4171/dm/228},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/228/}
}