TY - JOUR AU - Czesław Ryll-Nardzewski TI - On Borel measurability of orbits JO - Fundamenta Mathematicae PY - 1964 SP - 129 EP - 130 VL - 56 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-56-1-129-130/ DO - 10.4064/fm-56-1-129-130 LA - en ID - 10_4064_fm_56_1_129_130 ER -