%0 Journal Article %A J. Płonka %T On mixed product of Boolean algebras %J Colloquium Mathematicum %D 1971 %P 29-32 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-23-1-29-32/ %R 10.4064/cm-23-1-29-32 %G en %F 10_4064_cm_23_1_29_32