A parabolic quasi-Sturmian approach to quantum scattering by a Coulomb-like potential S. A. Zaytsev, L. U. Ancarani, A. S. Zaytsev and K. A. Kouzakov Eur. Phys. J. Plus, 135 8 (2020) 655 Published online: 14 August 2020 DOI: 10.1140/epjp/s13360-020-00665-5