%0 Journal Article %A G. E. Abduragimov %T Existence and uniqueness of a positive solution to a boundary value problem for a second order functional-differential equation %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2021 %P 3-8 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2021_12_a0/ %G ru %F IVM_2021_12_a0