Modulational instability of Bose-Einstein condensate in a complex polynomial in elliptic Jacobian functions potentialEmmanuel Kengne, Ahmed Lakhssassi, Remi Vaillancourt and Wu-Ming LiuEur. Phys. J. B, 86 5 (2013) 199DOI: https://doi.org/10.1140/epjb/e2013-31092-6