@article{EXMA_2002__11_1_51031,
     author = {J\"urgens, Ulf and R\"ohrle, Gerhard},
     title = {MOP -- algorithmic modality analysis for parabolic actions.},
     journal = {Experimental mathematics},
     pages = {57--67},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2002},
     zbl = {1050.20033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2002__11_1_51031/}
}