%0 Journal Article %A Jürgens, Ulf %A Röhrle, Gerhard %T MOP -- algorithmic modality analysis for parabolic actions. %J Experimental mathematics %D 2002 %P 57-67 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_2002__11_1_51031/ %G en %F EXMA_2002__11_1_51031