@article{SIGMA_2007_3_a120,
     author = {C. Robin Graham},
     title = {Conformal {Powers} of the {Laplacian} via {Stereographic} {Projection}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2007},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a120/}
}