%0 Journal Article %A Sadkane, Miloud %A Salam, Ahmed %T A note on symplectic block reflectors %J Electronic transactions on numerical analysis %D 2009 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2009__33__a9/ %G en %F ETNA_2009__33__a9