%0 Journal Article %A Zhikica Perovich %T Relatively Complete 2-Extensions of Boolean Algebras %J Mathematica balkanica %D 1992 %P 125 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1992_6_2_a2/ %F MABA_1992_6_2_a2