TY - JOUR AU - Michael Hochman TI - A ratio ergodic theorem for multiparameter non-singular actions JO - Journal of the European Mathematical Society PY - 2010 SP - 365 EP - 383 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/201/ DO - 10.4171/jems/201 ID - JEMS_2010_12_2_a3 ER -