LHCb Collaboration(Aaij, R. et al), Garcia Martin, L. M., Henry, L., Martinez-Vidal, F., Oyanguren, A., Remon Alepuz, C., et al. (2018). Search for lepton-flavour-violating decays of Higgs-like bosons. _Eur. Phys. J. C_, _78_(12), 1008–12pp.