%0 Journal Article %A M. Armbrust %T An algebraic equivalent of a multiple choice axiom %J Fundamenta Mathematicae %D 1972 %P 145-146 %V 74 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-74-2-145-146/ %R 10.4064/fm-74-2-145-146 %G en %F 10_4064_fm_74_2_145_146