%0 Journal Article %A B. de Malafosse %T Some properties of the sum of linear operators in the non-diferential case %J Novi Sad Journal of Mathematics %D 2003 %P 75-91 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2003_33_1a_6/ %F NSJOM_2003_33_1a_6