@article{NUMA_1984__44_132915,
     author = {George Csordas and Richard S. Varga},
     title = {Comparisons of {Regular} {Splittings} of {Matrices.}},
     journal = {Numerische Mathematik},
     pages = {23--36},
     publisher = {mathdoc},
     volume = {44},
     year = {1984},
     zbl = {0556.65024},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1984__44_132915/}
}