%0 Journal Article %A Andriy Regeta %A Immanuel van Santen %T Characterizing smooth affine spherical varieties via the automorphism group %J Journal de l’École polytechnique — Mathématiques %D 2021 %P 379-414 %V 8 %I École polytechnique %U https://jep.centre-mersenne.org/articles/10.5802/jep.149/ %R 10.5802/jep.149 %G en %F JEP_2021__8__379_0