Evidence for the decays B$^{0}$→$ \overline{D} ^{(*)0}$ϕ and updated measurements of the branching fractions of the $ {B}_s^0 $→$ \overline{D} ^{(*)0}$ϕ decays
LHCb Collaboration, Roel Aaij, Christina Agapopoulou, Julian Alexander Boelhauve et autres