@article{10_37236_10512,
     author = {Paul-Henry Leemann and Mikael de la Salle},
     title = {Most rigid representation and {Cayley} index of finitely generated groups},
     journal = {The electronic journal of combinatorics},
     year = {2022},
     volume = {29},
     number = {4},
     doi = {10.37236/10512},
     zbl = {1555.05237},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/10512/}
}