TY - JOUR AU - Don L. Hancock TI - The Borel structure of some non-Lebesgue sets JO - Colloquium Mathematicum PY - 2004 SP - 95 EP - 101 VL - 100 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm100-1-9/ DO - 10.4064/cm100-1-9 LA - fr ID - 10_4064_cm100_1_9 ER -