TY - JOUR AU - A. G. Lomtatidze TI - A boundary value problem for second-order nonlinear ordinary differential equations with singularities JO - Differencialʹnye uravneniâ PY - 1986 SP - 416 EP - 426 VL - 22 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_3_a6/ LA - ru ID - DE_1986_22_3_a6 ER -