%0 Journal Article %A È. S. Tsytlanadze %T Investigation of a functional analogue of a Lichtenstein nonlinear integral equation %J Doklady Akademii Nauk %D 1958 %P 650-653 %V 118 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_4_a6/ %G ru %F DAN_1958_118_4_a6