%0 Journal Article %A Sawyer, P. %T The Spherical Functions Related to the Root System B 2 %J Canadian mathematical bulletin %D 2002 %P 436-447 %V 45 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-046-x/ %R 10.4153/CMB-2002-046-x %F 10_4153_CMB_2002_046_x