Relativistic bound states of the pseudoharmonic potential in the presence of external magnetic and Aharonov–Bohm fieldsI. J. Njoku, C. P. Onyenegecha, C. J. Okereke and E. OmugbeEur. Phys. J. Plus, 137 7 (2022) 842DOI: https://doi.org/10.1140/epjp/s13360-022-02833-1