@article{IJAMCS_2010_20_1_a7,
     author = {Collignon, T. P. and Van Gijzen, M. B.},
     title = {Two implementations of the preconditioned conjugate gradient method on heterogeneous computing grids},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {109--121},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2010_20_1_a7/}
}