%0 Journal Article %A K. Halkowska %T Equational Theories of Varieties defined by P-compatible Identities of Boole'an Algebras %J Beiträge zur Algebra und Geometrie %D 1992 %P 103-108 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/BAG_1992__33_138508/ %F BAG_1992__33_138508