%0 Journal Article %A Bogdan Rzepecki %T Some remarks on an operator equation in a Banach space %J Annales Polonici Mathematici %D 1980 %P 167-174 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-37-2-167-174/ %R 10.4064/ap-37-2-167-174 %G en %F 10_4064_ap_37_2_167_174