%0 Journal Article %A Buraczewski, Dariusz %A Martinez, Teresa %A Torrea, José L. %T Calderón–Zygmund Operators Associated to Ultraspherical Expansions %J Canadian journal of mathematics %D 2007 %P 1223-1244 %V 59 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2007-052-2/ %R 10.4153/CJM-2007-052-2 %F 10_4153_CJM_2007_052_2