@article{NUMA_1976__27_132460,
     author = {V. Conrad and Y. Wallach},
     title = {A {Faster} {SSOR} {Algorithm.}},
     journal = {Numerische Mathematik},
     pages = {371--372},
     publisher = {mathdoc},
     volume = {27},
     year = {1976},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1976__27_132460/}
}