%0 Journal Article %A Sweet, Lowell %T On regular and extremely regular algebras %J Portugaliae mathematica %D 1983 %P 123-126 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1983__42_2_115530/ %G en %F PORMA_1983__42_2_115530