%0 Journal Article %A Andrés Reyes %T Some Properties of a Regular Sequence in Hilbert Space. %J Mathematische Zeitschrift %D 1982 %P 331-334 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1982__180_173192/ %F MZ_1982__180_173192