@article{DE_1974_10_9_a19,
     author = {V. I. Kononenko},
     title = {An $n$th order ordinary differential equation in a linear topological space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1727--1729},
     publisher = {mathdoc},
     volume = {10},
     number = {9},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_9_a19/}
}