@article{NUMA_1985__47_133048,
     author = {W. Niethammer and R. Varga and M. Eiermann},
     title = {A {Study} of {Semiiterative} {Methods} for {Nonsymmetric} {Systems} of {Linear} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {505--534},
     publisher = {mathdoc},
     volume = {47},
     year = {1985},
     zbl = {0585.65025},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__47_133048/}
}