Ground state of the hydrogen atom via Dirac equation in a minimal-length scenarioT. L. Antonacci Oakes, R. O. Francisco, J. C. Fabris and J. A. NogueiraEur. Phys. J. C, 73 7 (2013) 2495DOI: https://doi.org/10.1140/epjc/s10052-013-2495-6