Dynamics of a traveling hole in one-dimensional systems near subcritical bifurcation J.B. Gonpe Tafo, L. Nana and T.C. Kofane Eur. Phys. J. Plus, 126 11 (2011) 105 Published online: 11 November 2011 DOI: 10.1140/epjp/i2011-11105-x