Spectroscopic peculiarities in a 2D Coulomb potential under Aharonov-Bohm effectPeter A. Meleshenko, Hang T.T. Nguyen and Alexander F. KlinskikhEur. Phys. J. D, 67 10 (2013) 209DOI: https://doi.org/10.1140/epjd/e2013-40265-4