@article{NUMA_1977__28_132490,
     author = {T.A. Manteuffel},
     title = {The {Tchebychev} {Iteration} for {Nonsymmetric} {Linear} {Systems.}},
     journal = {Numerische Mathematik},
     pages = {307--328},
     publisher = {mathdoc},
     volume = {28},
     year = {1977},
     zbl = {0361.65024},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1977__28_132490/}
}