Growth rate in the dynamical dark energy models Olga Avsajanishvili, Natalia A. Arkhipova, Lado Samushia and Tina Kahniashvili Eur. Phys. J. C, 74 11 (2014) 3127 Published online: 05 November 2014 DOI: 10.1140/epjc/s10052-014-3127-5