@article{NUMA_1982__40_132829,
     author = {G.W. Stewart},
     title = {Computing the {CS} {Decomposition} of a {Partitioned} {Orthonormal} {Matrix}},
     journal = {Numerische Mathematik},
     pages = {297--306},
     publisher = {mathdoc},
     volume = {40},
     year = {1982},
     zbl = {0516.65016},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1982__40_132829/}
}