@article{NUMA_1968__12_131870,
     author = {H.R. SCHWARZ},
     title = {Handbook {Series} {Linear} {Algebra.} {Tridiagonalization} of a {Symmetric} {Band} {Matrix.}},
     journal = {Numerische Mathematik},
     pages = {231--241},
     publisher = {mathdoc},
     volume = {12},
     year = {1968},
     zbl = {0165.50201},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1968__12_131870/}
}