%0 Journal Article %A Kühr, Jan %T Prime ideals and polars in DR$\ell $-monoids and BL-algebras %J Mathematica slovaca %D 2003 %P 233-246 %V 53 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2003__53_3_a1/ %G en %F MASLO_2003__53_3_a1