@article{SIGMA_2007_3_a30,
     author = {Edwin Langmann},
     title = {Singular {Eigenfunctions} of {Calogero{\textendash}Sutherland} {Type} {Systems} and {How} to {Transform} {Them} into {Regular} {Ones}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2007},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a30/}
}