TY - JOUR AU - F. Martín-Reyes AU - P. Ortega Salvador TI - Ergodic power functions for mean bounded, invertible, positive operators JO - Studia Mathematica PY - 1988 SP - 131 EP - 139 VL - 91 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-91-2-131-139/ DO - 10.4064/sm-91-2-131-139 LA - en ID - 10_4064_sm_91_2_131_139 ER -