%0 Journal Article %A Vasilescu, F.-H. %T The Range Sequence of an Operator %J Canadian mathematical bulletin %D 1974 %P 145-147 %V 17 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-032-7/ %R 10.4153/CMB-1974-032-7 %F 10_4153_CMB_1974_032_7