%0 Journal Article %A S. Szufla %T On the boundedness of solutions of non-linear differential equations in Banach spaces %J Commentationes Mathematicae %D 1979 %P 381-387 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v21i2.5997/ %R 10.14708/cm.v21i2.5997 %G pl %F 10_14708_cm_v21i2_5997