%0 Journal Article %A Kh. A. Khachatryan %A H. S. Petrosyan %T On positive solutions of a boundary value problem for a nonlinear integro-differential equation on a semi-infinite interval %J Vladikavkazskij matematičeskij žurnal %D 2020 %P 70-82 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMJ_2020_22_2_a6/ %G ru %F VMJ_2020_22_2_a6