Two charges on plane in a magnetic field: III. $He^+$ ion

@article{EscobarRuiz2014TwoCO,
  title={Two charges on plane in a magnetic field: III. \$He^+\$ ion},
  author={M. A. Escobar-Ruiz},
  journal={arXiv: Atomic Physics},
  year={2014}
}
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