Heavy + light pseudoscalar meson semileptonic transitions Zhen-Ni Xu, Zhu-Fang Cui, Craig D. Roberts and Chang Xu Eur. Phys. J. C, 81 12 (2021) 1105 Published online: 15 December 2021 DOI: 10.1140/epjc/s10052-021-09898-9