by Hoffmann-Ostenhof, M., Hoffmann-Ostenhof, T. and Simon, B.
Reference:
A multiparticle Coulomb system with bound state at threshold (Hoffmann-Ostenhof, M., Hoffmann-Ostenhof, T. and Simon, B.), In J. Phys. A, volume 16, 1983.
Bibtex Entry:
@article {10.1088/0305-4470/16/6/007,
AUTHOR = {Hoffmann-Ostenhof, M. and Hoffmann-Ostenhof, T. and Simon, B.},
TITLE = {A multiparticle {C}oulomb system with bound state at
threshold},
JOURNAL = {J. Phys. A},
FJOURNAL = {Journal of Physics. A. Mathematical and General},
VOLUME = {16},
YEAR = {1983},
NUMBER = {6},
PAGES = {1125--1131},
ISSN = {0305-4470},
URL = {10.1088/0305-4470/16/6/007},
URL = {https://doi.org/10.1088/0305-4470/16/6/007},
}