%0 Journal Article %A Christopher Lazda %A Ambrus Pál %T A homotopy exact sequence for overconvergent isocrystals %J Forum of Mathematics, Sigma %D 2021 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2021.63/ %R 10.1017/fms.2021.63 %G en %F 10_1017_fms_2021_63