%0 Journal Article %A Schiop, Alexandru I. %T A remark on non-linear integral equations of the Hammerstein type %J Portugaliae mathematica %D 1974 %P 157-161 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1974__33_3_115232/ %G en %F PORMA_1974__33_3_115232