Solutions of Dirac equations with the Pöschl-Teller potential C. -S. Jia, P. Guo, Y. -F. Diao, L. -Z. Yi and X. -J. Xie Eur. Phys. J. A, 34 1 (2007) 41-48 Published online: 19 October 2007 DOI: 10.1140/epja/i2007-10486-2