@article{NUMA_1984__43_132889,
     author = {J.J. Modi and M.R.B. Clarke},
     title = {An {Alternative} {Givens} {Ordering.}},
     journal = {Numerische Mathematik},
     pages = {83--90},
     publisher = {mathdoc},
     volume = {43},
     year = {1984},
     zbl = {0504.65013},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1984__43_132889/}
}