梁泽锐,段丰博,余先桥*,"Study of the quasi-two-body decays B^{0s} \rightarrow \psi (3770) (\psi (3686))\pi ^+\pi ^-B0s→ψ(3770)(ψ(3686))π+π− with perturbative QCD approach” Eur.PhysJ.C 79 (2019) 5, 370