TY - JOUR AU - Xiangxing Tao TI - Doubling properties and unique continuation at the boundary for elliptic operators with singular magnetic fields JO - Studia Mathematica PY - 2002 SP - 31 EP - 48 VL - 151 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm151-1-3/ DO - 10.4064/sm151-1-3 LA - en ID - 10_4064_sm151_1_3 ER -