@article{NUMA_1980__36_132696,
     author = {J.J.M. Cuppen},
     title = {A {Divide} and {Conquer} {Method} for the {Symmetric} {Tridiagonal} {Eigenproblem.}},
     journal = {Numerische Mathematik},
     pages = {177--196},
     publisher = {mathdoc},
     volume = {36},
     year = {1980},
     zbl = {0431.65022},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__36_132696/}
}