%0 Journal Article %A P. P. Zabreiko %A A. I. Povolotskii %T Theorems on the existence and uniqueness of solutions of Hammerstein equations %J Doklady Akademii Nauk %D 1967 %P 759-762 %V 176 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a3/ %G ru %F DAN_1967_176_4_a3