%0 Journal Article %T On a Problem of Krasnosel’skii and Rutickii %J Revista colombiana de matematicas %D 2011 %P 179-186 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2011_45_2_a5/ %F RCM_2011_45_2_a5