%0 Journal Article %A G. E. Abduragimov %T Existence and uniqueness of positive solution to a boundary value problem for a nonlinear second order functional-differential equation %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2020 %P 3-7 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2020_12_a0/ %G ru %F IVM_2020_12_a0