On the Earth’s tidal perturbations for the LARES satellite V. G. Gurzadyan, I. Ciufolini, H. G. Khachatryan, S. Mirzoyan, A. Paolozzi and G. Sindoni Eur. Phys. J. Plus, 132 12 (2017) 548 Published online: 28 December 2017 DOI: 10.1140/epjp/i2017-11839-3