@article{10_4171_dm_871,
     author = {Andrea Dotto},
     title = {Canonical $\beta$-extensions},
     journal = {Documenta mathematica},
     pages = {295--313},
     year = {2022},
     volume = {27},
     doi = {10.4171/dm/871},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/871/}
}