TY - JOUR AU - B. I. Efendiev TI - Neumann problem for an ordinary second-order differential equation with a distributed differentiation operator JO - News of the Kabardin-Balkar scientific center of RAS PY - 2019 SP - 30 EP - 37 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IZKAB_2019_5_a3/ LA - ru ID - IZKAB_2019_5_a3 ER -