@article{NUMA_1978__31_132588,
     author = {J. Stoer and K. Schittkowski},
     title = {A {Factorization} {Method} for the {Solution} of {Constrained} {Linear} {Least} {Squares} {Problems} {Allowing} {Subsequent} {Data} {Changes.}},
     journal = {Numerische Mathematik},
     pages = {431--463},
     publisher = {mathdoc},
     volume = {31},
     year = {1978},
     zbl = {0378.65026},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1978__31_132588/}
}