@inproceedings{Malami:2023f9, author = "Malami, Eleftheria and Fleischer, Robert", title = "{Puzzles in the $B^0_s \rightarrow D_s^{\pm} K^{\mp}$ System}", doi = "10.22323/1.411.0077", booktitle = "Proceedings of 11th International Workshop on the CKM Unitarity Triangle {\textemdash} PoS(CKM2021)", year = 2023, volume = "411", pages = "077" }