@article{ELMA_1993__48_4_141553,
     author = {Ronald A. Kortram},
     title = {Another {Computation} of .... .},
     journal = {Elemente der Mathematik},
     pages = {170--172},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {1993},
     zbl = {0875.26007},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1993__48_4_141553/}
}