@article{ETNA_2008__28__a8,
     author = {Hadjidimos, A. and Stratis, P.},
     title = {Minimization of the spectral norm of the {SOR} operator in a mixed case},
     journal = {Electronic transactions on numerical analysis},
     publisher = {mathdoc},
     volume = {28},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__28__a8/}
}