%0 Journal Article %A Lutz Heindorf %T Strongly retractive Boolean algebras %J Fundamenta Mathematicae %D 1985 %P 253-259 %V 126 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-126-3-253-259/ %R 10.4064/fm-126-3-253-259 %G en %F 10_4064_fm_126_3_253_259