@article{NUMA_1978__31_132571,
     author = {J.R. Bunch and C.P. Nielsen},
     title = {Updating the {Singular} {Value} {Decomposition.}},
     journal = {Numerische Mathematik},
     pages = {111--130},
     publisher = {mathdoc},
     volume = {31},
     year = {1978},
     zbl = {0421.65028},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1978__31_132571/}
}