@article{SJC_2007_1_4_a6,
     author = {Kr\"amer, Walter},
     title = {Introduction to the {Maple} {Power} {Tool} {Intpakx}},
     journal = {Serdica Journal of Computing},
     pages = {469--504},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2007_1_4_a6/}
}