@article{DOCMA_2009__14__a16,
     author = {Huber, Matthias},
     title = {Spectral analysis of relativistic atoms -- {Dirac} operators with singular potentials},
     journal = {Documenta mathematica},
     pages = {297--338},
     publisher = {mathdoc},
     volume = {14},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a16/}
}