TY - JOUR AU - Hofmann, Steve AU - Li, Xinwei AU - Yang, Dachun TI - A Generalized Characterization of Commutators of Parabolic Singular Integrals JO - Canadian mathematical bulletin PY - 1999 SP - 463 EP - 477 VL - 42 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-054-0/ DO - 10.4153/CMB-1999-054-0 ID - 10_4153_CMB_1999_054_0 ER -