TY - JOUR AU - Yang, Dachun AU - Yang, Sibei TI - Second-order Riesz Transforms and Maximal Inequalities Associated with Magnetic Schr ödinger Operators JO - Canadian mathematical bulletin PY - 2015 SP - 432 EP - 448 VL - 58 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2014-060-x/ DO - 10.4153/CMB-2014-060-x ID - 10_4153_CMB_2014_060_x ER -