%0 Journal Article %A Bohdan Aniszczyk %T Antiatomicity of the lattice of Borel structures and extensions of two-valued measures %J Colloquium Mathematicum %D 1987 %P 23-27 %V 52 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-52-1-23-27/ %R 10.4064/cm-52-1-23-27 %G en %F 10_4064_cm_52_1_23_27