@article{01907107,
title = {The essential spectrum of relativistic one-electron ions in the Jansen-Hess model.},
journal = {Mathematical Physics Electronic Journal [electronic only]},
volume = {8},
year = {2002},
zbl = {1021.81015},
language = {en},
url = {http://dml.mathdoc.fr/item/01907107}
}
Jakubassa-Amundsen, D.H. The essential spectrum of relativistic one-electron ions in the Jansen-Hess model.. Mathematical Physics Electronic Journal [electronic only], Tome 8 (2002) . http://gdmltest.u-ga.fr/item/01907107/