Dynamics of bright discrete staggered solitons in photovoltaic photorefractive mediaA. Maluckov, M. Stepić, D. Kip and Lj. HadžievskiEur. Phys. J. B, 45 4 (2005) 539-546DOI: https://doi.org/10.1140/epjb/e2005-00220-6