@article {BoYu22,
    AUTHOR = {Bostan, Alin and Yurkevich, Sergey},
     TITLE = {A hypergeometric proof that {$\ssf{Iso}$} is bijective},
   JOURNAL = {Proc. Amer. Math. Soc.},
  FJOURNAL = {Proceedings of the American Mathematical Society},
    VOLUME = {150},
      YEAR = {2022},
    NUMBER = {5},
     PAGES = {2131--2136},
      ISSN = {0002-9939},
   MRCLASS = {33C05},
  MRNUMBER = {4392347},
       DOI = {10.1090/proc/15836},
       URL = {https://doi.org/10.1090/proc/15836},
}