@article{10_4171_dm_122,
     author = {Raymond Brummelhuis and Heinz Siedentop and Edgardo Stockmeyer},
     title = {The ground state energy of relativistic one-electron atoms according to {Jansen} and {He{\ss}}},
     journal = {Documenta mathematica},
     pages = {167--182},
     year = {2002},
     volume = {7},
     doi = {10.4171/dm/122},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/122/}
}