@article{NUMA_1963__5_131573,
     author = {H.R. SCHWARZ and H. RUTISHAUSER},
     title = {Handbook {Series} {Linear} {Algebra.}   {The} {LR} transformation method for symmetric matrices.},
     journal = {Numerische Mathematik},
     pages = {273--289},
     publisher = {mathdoc},
     volume = {5},
     year = {1963},
     zbl = {0112.34801},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1963__5_131573/}
}