1. BaBar collaboration, J. Lees et al., Evidence for an excess of $ \overline{B}\to {D^{{\left( * \right)}}}{\tau^{-}}{{\overline{\nu}}_{\tau }} $ decays, Phys. Rev. Lett. 109 (2012) 101802 [ arXiv:1205.5442 ] [ INSPIRE ].
2. BaBar collaboration, J. Lees et al., Evidence of B → τν decays with hadronic B tags, arXiv:1207.0698 [ INSPIRE ].
3. Heavy Flavor Averaging Group collaboration, D. Asner et al., Averages of b-hadron, c-hadron and τ -lepton properties, arXiv:1010.1589 [ INSPIRE ].
4. J.F. Kamenik and F. Mescia, B → Dτ ν branching ratios: opportunity for lattice QCD and hadron colliders, Phys. Rev. D 78 (2008) 014003 [ arXiv:0802.3790 ] [ INSPIRE ].
5. S. Fajfer, J.F. Kamenik and I. Nisandzic, On the $ B\to D*\tau {{\overline{\nu}}_{\tau }} $ sensitivity to new physics, Phys. Rev. D 85 (2012) 094025 [ arXiv:1203.2654 ] [ INSPIRE ].