@article{NUMA_1974__23_132304,
     author = {A. van der Sluis},
     title = {Stability of the {Solutions} of {Linear} {Least} {Squares} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {241--254},
     publisher = {mathdoc},
     volume = {23},
     year = {1974},
     zbl = {0308.65026},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1974__23_132304/}
}