%0 Journal Article %A Płonka, Jerzy %T The lattice of subvarieties of the biregularization of the variety of Boolean algebras %J Discussiones Mathematicae. General Algebra and Applications %D 2001 %P 255-268 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2001_21_2_a9/ %G en %F DMGAA_2001_21_2_a9