@article{articlee16c166d,
title   = {Self-adjoint extensions of the hamiltonian for a charged particle in the presence of a thread of magnetic flux},
author = {Coutinho, Francisco Antônio Bezerra and Nogami, Y. and Perez, José Fernando},
year = {1992},
doi = {10.1103/physreva.46.6052},
journal   = {Physical Review a}
}