@article{ETNA_2009__33__a0,
     author = {Elbouyahyaoui, L. and Messaoudi, A. and Sadok, H.},
     title = {Algebraic properties of the block {GMRES} and block arnoldi methods},
     journal = {Electronic transactions on numerical analysis},
     publisher = {mathdoc},
     volume = {33},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2009__33__a0/}
}