TY - JOUR AU - G. E. Abduragimov TI - On the existence of a positive solution of a boundary value problem for a nonlinear second-order functional-differential equation with integral boundary conditions JO - Matematičeskie zametki PY - 2024 SP - 3 EP - 9 VL - 116 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2024_116_1_a0/ LA - ru ID - MZM_2024_116_1_a0 ER -