@article{SIGMA_2008_4_a51,
     author = {Tom H. Koornwinder},
     title = {Zhedanov's {Algebra} $AW(3)$ and the {Double} {Affine} {Hecke} {Algebra} in the {Rank} {One} {Case.} {II.~The} {Spherical} {Subalgebra}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2008},
     volume = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a51/}
}