Weak decays of the B c meson to B s and B mesonsin the relativistic quark model D. Ebert, R. N. Faustov and V. O. Galkin Eur. Phys. J. C, 32 1 (2003) 29-43 Published online: 07 November 2003 DOI: 10.1140/epjc/s2003-01347-5