1. BaBar collaboration, J.P. Lees et al., Evidence for an excess of $$ \overline{B}\to {D}^{\left(\ast \right)}\tau -{\overline{\nu}}_{\tau } $$ decays, Phys. Rev. Lett. 109 (2012) 101802 [arXiv:1205.5442] [INSPIRE].
2. BaBar collaboration, J.P. Lees et al., Measurement of an Excess of $$ \overline{B}\to {D}^{\left(\ast \right)}\tau -{\overline{\nu}}_{\tau } $$ Decays and Implications for Charged Higgs Bosons, Phys. Rev. D 88 (2013) 072012 [arXiv:1303.0571] [INSPIRE].
3. Belle collaboration, M. Huschle et al., Measurement of the branching ratio of $$ \overline{B}\to {D}^{\left(\ast \right)}\tau -{\overline{\nu}}_{\tau } $$ relative to $$ \overline{B}\to {D}^{\left(\ast \right)}\ell -{\overline{\nu}}_{\ell } $$ decays with hadronic tagging at Belle, Phys. Rev. D 92 (2015) 072014 [arXiv:1507.03233] [INSPIRE].
4. Belle collaboration, Y. Sato et al., Measurement of the branching ratio of $$ {\overline{B}}^0\to {D}^{\ast +}\tau -{\overline{\nu}}_{\tau } $$ relative to $$ {\overline{B}}^0\to {D}^{\ast +}\ell -{\overline{\nu}}_{\ell } $$ decays with a semileptonic tagging method, Phys. Rev. D 94 (2016) 072007 [arXiv:1607.07923] [INSPIRE].
5. Belle collaboration, S. Hirose et al., Measurement of the τ lepton polarization and R(D
∗) in the decay $$ \overline{B}\to {D}^{\ast \tau }-{\overline{\nu}}_{\tau } $$, Phys. Rev. Lett. 118 (2017) 211801 [arXiv:1612.00529] [INSPIRE].