@article{02227495,
title = {The projected single-particle Dirac operator for Coulombic potentials.},
journal = {Documenta Mathematica},
volume = {10},
year = {2005},
pages = {331-356},
zbl = {1075.81025},
language = {en},
url = {http://dml.mathdoc.fr/item/02227495}
}
Jakubassa-Amundsen, D.H. The projected single-particle Dirac operator for Coulombic potentials.. Documenta Mathematica, Tome 10 (2005) pp. 331-356. http://gdmltest.u-ga.fr/item/02227495/