TY - JOUR AU - Persson, Mikael TI - On the Aharonov-Casher formula for different self-adjoint extensions of the Pauli operator with singular magnetic field JO - Electronic Journal of Differential Equations PY - 2005 VL - 2005 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a58/ LA - en ID - EJDE_2005__2005__a58 ER -