TY - JOUR AU - Ryszard Grząślewicz TI - Density theorems for measurable transformations JO - Colloquium Mathematicum PY - 1984 SP - 245 EP - 250 VL - 48 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-48-2-245-250/ DO - 10.4064/cm-48-2-245-250 LA - en ID - 10_4064_cm_48_2_245_250 ER -