%0 Journal Article %A M. Becker %T Linear approximation processes in locally convex spaces. I. Semigroups of operators and saturation. (Short Communication). %J Aequationes mathematicae %D 1975 %P 120-120 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1975__12_136503/ %F AM2_1975__12_136503