%0 Journal Article %A Luigi Santocanale %T The alternation hierarchy for the theory of $\mu$-lattices %J Theory and Applications of Categories [electronic only] %D 2000 %P 166-197 %V 9 %U https://geodesic-test.mathdoc.fr/item/TAC_2000__9_a8/ %G en %F TAC_2000__9_a8