Parabolic Sturmians approach to antiproton-impact ionization of atomic hydrogen A. S. Zaytsev, D. S. Zaytseva, S. A. Zaytsev, L. U. Ancarani and K. A. Kouzakov Eur. Phys. J. Plus, 137 4 (2022) 497 Published online: 22 April 2022 DOI: 10.1140/epjp/s13360-022-02712-9