@article{ETNA_2009__33__a9,
     author = {Sadkane,  Miloud and Salam,  Ahmed},
     title = {A note on symplectic block reflectors},
     journal = {Electronic transactions on numerical analysis},
     year = {2009},
     volume = {33},
     zbl = {1171.65038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2009__33__a9/}
}