TY - JOUR AU - Christopher Lazda AU - Ambrus Pál TI - A homotopy exact sequence for overconvergent isocrystals JO - Forum of Mathematics, Sigma PY - 2021 VL - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1017/fms.2021.63/ DO - 10.1017/fms.2021.63 LA - en ID - 10_1017_fms_2021_63 ER -