%0 Journal Article %A Fan, Dashan %T A Singular Integral on L 2(Rn ) %J Canadian mathematical bulletin %D 1994 %P 197-201 %V 37 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-029-0/ %R 10.4153/CMB-1994-029-0 %F 10_4153_CMB_1994_029_0