@article{article42b6bc0f,
title   = {On the most general boundary conditions for the Aharonov-Bohm scattering of a Dirac particle: helicity and Aharonov-Bohm symmetry conservation},
author = {Araujo, Vanilse da Silva and Coutinho, Francisco Antônio Bezerra and Perez, José Fernando},
year = {2001},
doi = {10.1088/0305-4470/34/42/310},
journal   = {Journal of Physics A - Mathematical and General}
}