%0 Journal Article
%A N. V. Marchenko
%T The existence of solutions of a certain class of non-linear integral equations
%J Doklady Akademii Nauk
%D 1961
%P 515-518
%V 137
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_137_3_a6/
%G ru
%F DAN_1961_137_3_a6