TY - JOUR AU - G. E. Abduragimov TI - On the existence of a positive solution to a boundary-value problem for a second-order nonlinear ordinary differential equation JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2021 SP - 3 EP - 6 VL - 199 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2021_199_a0/ LA - ru ID - INTO_2021_199_a0 ER -