%0 Journal Article %A G. È. Abduragimov %T On the existence of a positive solution of a boundary value problem for a second-order nonlinear functional-differential equation %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2004 %P 3-5 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2004_6_a0/ %G ru %F IVM_2004_6_a0