%0 Journal Article %A Kh. A. Khachatryan %A S. A. Grigoryan %T On nontrivial solvability of a nonlinear Hammerstein–Volterra type integral equation %J Vladikavkazskij matematičeskij žurnal %D 2012 %P 57-66 %V 14 %N 2 %U http://geodesic.mathdoc.fr/item/VMJ_2012_14_2_a6/ %G ru %F VMJ_2012_14_2_a6