%0 Journal Article %A W. Luxemburg %T A remark on Sikorski's extension theorem for homomorphisms in the theory of Boolean algebras %J Fundamenta Mathematicae %D 1964 %P 239-247 %V 55 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-55-3-239-247/ %R 10.4064/fm-55-3-239-247 %G en %F 10_4064_fm_55_3_239_247