%0 Journal Article %A Kh. A. Khachatryan %A H. S. Petrosyan %T On an integral equation with concave nonlinearity %J The Bulletin of Irkutsk State University. Series Mathematics %D 2024 %P 66-82 %V 50 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2024_50_a4/ %G ru %F IIGUM_2024_50_a4