@article{SIGMA_2011_7_a98,
     author = {Paul Terwilliger},
     title = {The {Universal} {Askey{\textendash}Wilson} {Algebra} and the {Equitable} {Presentation} of $U_q(\mathfrak{sl}_2)$},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a98/}
}