%0 Journal Article %A J. Bell %T Some propositions equivalent to the Sikorski Extension Theorem for Boolean algebras %J Fundamenta Mathematicae %D 1988 %P 51-55 %V 130 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-130-1-51-55/ %R 10.4064/fm-130-1-51-55 %G en %F 10_4064_fm_130_1_51_55