TY - JOUR AU - Ryotaro Sato TI - Pointwise ergodic theorems in Lorentz spaces L(p,q) for null preserving transformations JO - Studia Mathematica PY - 1995 SP - 227 EP - 236 VL - 114 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-114-3-227-236/ DO - 10.4064/sm-114-3-227-236 LA - en ID - 10_4064_sm_114_3_227_236 ER -