@article{NUMA_1992__61_3_133624,
     author = {J. Thomas King},
     title = {Multilevel algorithms for ill-posed problems.},
     journal = {Numerische Mathematik},
     pages = {311--334},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {1992},
     zbl = {0768.65091},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1992__61_3_133624/}
}