@article{NUMA_1989__54_3_133315,
     author = {Bernd Fischer and Lothar Reichel},
     title = {A {Stable} {Richardson} {Iteration} {Method} for {Complex} {Linear} {Systems.}},
     journal = {Numerische Mathematik},
     pages = {225--242},
     publisher = {mathdoc},
     volume = {54},
     number = {3},
     year = {1989},
     zbl = {0641.65030},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133315/}
}