Symmetry limits of (D+1)-dimensional Dirac equation with Möbius square potential Akpan N. Ikot, B. H. Yazarloo, S. Zarrinkamar and H. Hassanabadi Eur. Phys. J. Plus, 129 5 (2014) 79 Published online: 08 May 2014 DOI: 10.1140/epjp/i2014-14079-1