Comment on “Ground state of a bosonic massive charged particle in the presence of external fields in a Gödel-type space-time [Eur. Phys. J. Plus (2018) 133: 530]”
Eur. Phys. J. Plus, 135 2 (2020) 174
DOI: https://doi.org/10.1140/epjp/s13360-020-00196-z