@article{JEP_2021__8__379_0,
     author = {Regeta, Andriy and van Santen, Immanuel},
     title = {Characterizing smooth affine spherical varieties via the automorphism group},
     journal = {Journal de l{\textquoteright}\'Ecole polytechnique - Math\'ematiques},
     pages = {379--414},
     publisher = {Ecole polytechnique},
     volume = {8},
     year = {2021},
     doi = {10.5802/jep.149},
     mrnumber = {4218162},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jep.149/}
}