%0 Journal Article %A Thibaud van den Hove %T Quasi-isogeny groups of supersingular abelian surfaces via pro-étale fundamental groups %J Documenta mathematica %D 2023 %P 1053-1078 %V 28 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/dm/930/ %R 10.4171/dm/930 %F 10_4171_dm_930