@article{NUMA_1980__35_186299,
     author = {E. Wagenf\"uhrer},
     title = {Die {Determinantenmethode} zur {Berechnung} des charakteristischen {Exponenten} der endlichen {Hillschen} {Differentialgleichung.}},
     journal = {Numerische Mathematik},
     pages = {405--420},
     publisher = {mathdoc},
     volume = {35},
     year = {1980},
     zbl = {0473.65057},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__35_186299/}
}