@article{MZ_1987__196_173900,
     author = {Volker Vogelsang},
     title = {Remark on {Essential} {Selfadjointness} of {Dirac} {Operators} with {Coulomb} {Potentials.}},
     journal = {Mathematische Zeitschrift},
     pages = {517--522},
     publisher = {mathdoc},
     volume = {196},
     year = {1987},
     zbl = {0617.35127},
     url = {http://geodesic.mathdoc.fr/item/MZ_1987__196_173900/}
}