TY - JOUR AU - Hadi Khatibzadeh AU - Hadi Pouladi   TI - A Mean Ergodic Theorem for Affine Nonexpansive Mappings in Nonpositive Curvature Metric Spaces JO - Analele Universităţii "Ovidius" Constanţa Seria Matematică PY - 2021 VL - XXIX IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ASUO_2021_XXIX_1_a11/ ID - ASUO_2021_XXIX_1_a11 ER -