%0 Journal Article %A Chajda, Ivan %T Systems of equations over finite Boolean algebras %J Archivum mathematicum %D 1973 %P 171-181 %V 09 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1973__9_4_a1/ %G en %F ARM_1973__9_4_a1