TY - JOUR AU - V. N. Kolokoltsov TI - Schrödinger operators with singular potentials and magnetic fields JO - Sbornik. Mathematics PY - 2003 SP - 897 EP - 917 VL - 194 IS - 6 UR - http://geodesic.mathdoc.fr/item/SM_2003_194_6_a5/ LA - en ID - SM_2003_194_6_a5 ER -