%0 Journal Article %A Ismail, Mourad E. H. %A Obermaier, Josef %T Characterizations of Continuous and Discrete q-Ultraspherical Polynomials %J Canadian journal of mathematics %D 2011 %P 181-199 %V 63 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-080-0/ %R 10.4153/CJM-2010-080-0 %F 10_4153_CJM_2010_080_0