%0 Journal Article %A David Pereira %A Nelma Moreira %T KAT and PHL in Coq %J Computer Science and Information Systems %D 2008 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CSIS_2008_5_2_a9/ %F CSIS_2008_5_2_a9