@article{10_4171_ggd_746,
     author = {Dario Ascari},
     title = {A fine property of {Whitehead's} algorithm},
     journal = {Groups, geometry, and dynamics},
     pages = {235--264},
     year = {2024},
     volume = {18},
     number = {1},
     doi = {10.4171/ggd/746},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/746/}
}