TY - JOUR AU - B. Aniszczyk TI - Complementation in the lattice of Borel structures JO - Colloquium Mathematicum PY - 1987 SP - 5 EP - 8 VL - 51 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-51-1-5-8/ DO - 10.4064/cm-51-1-5-8 LA - en ID - 10_4064_cm_51_1_5_8 ER -