The log-periodic-AR(1)-GARCH(1,1) model for financial crashes L. Gazola, C. Fernandes, A. Pizzinga and R. Riera Eur. Phys. J. B, 61 3 (2008) 355-362 Published online: 29 February 2008 DOI: 10.1140/epjb/e2008-00085-1