%0 Journal Article %A Paul Terwilliger %T The $q$-Onsager Algebra and the Universal Askey–Wilson Algebra %J Symmetry, integrability and geometry: methods and applications %D 2018 %V 14 %U http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a43/ %G en %F SIGMA_2018_14_a43