@article{NUMA_1989__56_2-3_133411,
     author = {A. Greenbaum and C. Li and H.Z. Chao},
     title = {Comparison of {Linear} {System} {Solvers} {Applied} to {Diffusion-Type} {Finite} {Element} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {529--546},
     publisher = {mathdoc},
     volume = {56},
     number = {2-3},
     year = {1989},
     zbl = {0647.65018},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1989__56_2-3_133411/}
}