Cosmological evolution of interacting dark energy in Lorentz violation Freddy P. Zen, Arianto, Bobby E. Gunara, Triyanta and A. Purwanto Eur. Phys. J. C, 63 3 (2009) 477-490 Published online: 31 July 2009 DOI: 10.1140/epjc/s10052-009-1104-1