%0 Journal Article %A Hofmann, Steve %A Li, Xinwei %A Yang, Dachun %T A Generalized Characterization of Commutators of Parabolic Singular Integrals %J Canadian mathematical bulletin %D 1999 %P 463-477 %V 42 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-054-0/ %R 10.4153/CMB-1999-054-0 %F 10_4153_CMB_1999_054_0